八年级英语常见连词and,or,but的用法 及解析
一、选择题
1.Lucy, don’t turn off the computer before closing all programs, ________you could have problems.
A.or    B.and    C.but    D.so
2.Hurry up,         you will miss the bus
A.or    B.And    C.but    D.so
3.Put your books in the drawer, _____ they won’t get lost.
A.or    B.and    C.but    D.so
4.It was very dark outside, ___________ we had to feel our way slowly.
A.so    B.but    C.for    D.or
5.You’d better get up early,       you will miss the first class.
A.so    B.and    C.or    D.but
6.It’s hot today, ______we want to go swimming in the river.
A.though    B.but    C.so    D.or
7.People cut down too many trees, _____ the greenhouse effect becomes more and more serious.
A.so    B.because    C.although    D.if
8.I must go back home before , ________ my father will be angry with me.
A.and    B.or    C.so    D.but
9.2018年上海长宁二模Martin didn't eat up all the food he ordered,________he took the rest away.
A.for    B.or    C.as    D.so
10.—The brown jacket is nice, ________ it doesn’t look good on me.
—Why not try on the blue one? I think blue suits you fine.
A.and    B.so    C.but    D.or
11.Speak louder, __________ everyone can understand you.
A.so    B.or    C.for    D.but
12.Jimmy set out early for the airport,______ he wouldn't catch the plane.
A.and    B.then    C.so    D.or
13.Just leave the key to the exercises behind,        you will be dependent on it.
A.or    B.and    C.so    D.but
14.Mike, don't be afraid to make mistakes, _________ you'll never make progress.
A.so    B.or    C.and    D.but
15.Those who want to lose weight have to exercise every day, _________ they might get fat again.
A.though    B.if    C.so that    D.or
16.2018年上海崇明二模Please dial 120 immediately,_______ the old man may die soon.
A.and    B.or    C.but    D.so
17.— Jim is a helpful student.
— I think so. Thanks to him, ________ we can’t do it successfully.
A.or    B.so    C.but    D.because
18.The traffic rules say divers mustn’t drive if they are drunk,  _______ they will be punished.
A.and    B.but    C.so    D.or
19.Hurry up,      we’ll be late for the concert. There are only 10 minutes left.
A.and    B.or    C.so    D.butweight的用法搭配
20.—Hurry up, Tom,       we’ll be late for the movie.
—Ok, I will.
A.but    B.or    C.and    D.So
21.I like your story, _______ I’m confused by the ending. Can you explain it?
A.and    B.or    C.so    D.but
22.-- Do you like reading history books when you are free?
-- No! I like story books _    _ I almost read them every day.
A.and    B.but    C.or    D.then
23.I love cola and hamburgers, ________ they are not healthy.
A.or    B.so    C.but    D.and
24.The dress is really beautiful,__________ it is too small for me.
A.or    B.but    C.so    D.and
25.We will never see Kobe play another basketball game, ________we will always remember him.
A.because    B.unless    C.but    D.if
26.Bob is young, _______ he knows a lot.
A.because    B.so    C.but    D.unless
27.I really want to have a pet dog,_____ my mother disagrees.
A.but    B.and    C.or    D.so
28.The thing that matters is not whether you fail or not, ________ whether you try or not.
A.and    B.or    C.so    D.but
29.The last bus had left when we arrived,_____ we had to find a hotel to stay for the night.
A.so    B.but    C.or    D.because
30.Many people aren’t attracted to this project, ________ I want to know more about it.
A.as    B.or    C.until    D.but
31.一What's the secret of success, Dr. Know?       
一 More time and effort, _________ you’ll make it some day.
A.yet    B.or    C.and    D.but
32.Romantic comedies have not received a lot of love at the box office lately, ____ that co
uld change last weekend with "Crazy Rich Asians".
A.if    B.when    C.unless    D.but
33.—Can you help me with my housework?
— I'd like to, ________I have to look after my baby sister.
A.because    B.as    C.but    D.if
34.—My uncle is in Beijing now. He lives in the countryside _______ works in the city
during the week.
--Oh, he must be tired.
A.or    B.and    C.but    D.so
35.—I don’t like reading ______ watching TV. What about you?
—I don’t like reading all day , ______ I like watching TV news.
A.and ; or    B.and ; and    C.or ; and    D.or ; but
36.I phoned Sarah last night, ______ there was no answer.
A.and    B.but    C.or    D.so
37.To some people living in Shanghai, the face of Shanghai may have changed, ________ the heart of it remains the same.
A.but    B.and    C.so    D.or
38.— Some people think students may waste time while studying at home.
—It is true, ________ students have improved their ability through learning independently.
A.but    B.so    C.or
39.Tony had a high fever and coughed a lot, ________ his parents took him to hospital at once.

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