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D.Though12.Hurry up, _______ we’ll be late for the first bus.A.a(chǎn)nd B.but C.so D.or13.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.because14.It was very dark outside, ___________ we had to feel our way slowly.A.so B.but C.for D.or15.It’s hot today, ______we want to go swimming in the river.A.though B.but C.so D.or16.People cut down too many trees, _____ the greenhouse effect bees more and more serious.A.so B.because C.a(chǎn)lthough D.if17.Lucy, don’t turn off the puter before closing all programs, ________you could have problems.A.or B.a(chǎn)nd C.but D.so18.Mike, don39。t salty enough.A.so B.a(chǎn)nd C.but D.or8.— Would you like to e to my house for dinner?— I’d love to. ____ I have lots of work to do.A.so B.or C.a(chǎn)nd D.but9.Cindy likes bananas, ______ she doesn’t like pears.A.a(chǎn)nd B.because C.but10.I’d like to go swimming with you, ______ I am too busy today.A.but B.a(chǎn)nd C.so D.or11.Many people think movie stars are special, really they39。s the secret of success, Dr. Know? 一 More time and effort, _________ you’ll make it some day.A.yet B.or C.a(chǎn)nd D.but23. Do you like reading history books when you are free? No! I like story books _ _ I almost read them every day.A.a(chǎn)nd B.but C.or D.then24.We will never see Kobe play another basketball game, ________we will always remember him.A.because B.unless C.but D.if25.The toys are really old, ________ I still want to keep them.A.or B.a(chǎn)nd C.but26.Bob is young, _______ he knows a lot.A.because B.so C.but D.unless27.Going to the movies is good, ______ I really only like listening to music.A.a(chǎn)nd B.but C.so D.or28.He studies hard all the time, _________ he has made rapid progress in many ways.A.so B.because C.but D.yet29.— Excuse me. Do you have a table for two?— I’m sorry, there aren’t any seats now. Would you mind waiting a while?A.so B.or C.a(chǎn)nd D.but30.A snake bit him ___________ he went to see a doctor at once.A.if B.where C.because D.so31.I’ve wanted to read The Little Prince for long, _______ today I finally borrowed the book from the library.A.or B.since C.a(chǎn)nd D.because32.Many people aren’t attracted to this project, ________ I want to know more about it.A.a(chǎn)s B.or C.until D.but33.The dress is really nice, _________it doesn’t look good on me .A.for B.so C.but D.or34.The jacket is nice, _________ it doesn’t look good on me.A.so B.if C.but D.or35.The dress is very nice, ________ it doesn’t look good on me.A.or B.but C.so D.until36.The team met a lot of difficulties, ______ they never gave up and won the game at last.A.or: B.a(chǎn)nd C.but D.so37.Stephen Hawking had a serious illness, _______ he kept studying phys