20.This dress still looks pretty on you , ______ it is out of style.
A. though B. but C. since D. if
18. You’ll do much better ______ you’re more careful with your spelling.
A. if B. before C. although D. unless
17. I had invited everybody , ______ only two people came to ma party.
A. or B. but C. and D. so
16.-There are many pictures in the book.
-Great! _____ it will be hard for young children to read.
A. and B. So C. But
15.-You saw the film Harry Potter last night,didn’t you?
-Yes, _____ I missed the beginning.
A. and B. so C. but D. then
14.Take more exercise, _____you’ll be healthier.
A. and B. or C. but D. then
13.-It’s a long story, _____you can hardly find any new words in it.
-Good! _____it will be too hard for children.
A. so, Then B. and, Or C. but, Or D. though, And
12.It was snowing hard _____ we had to stay at home and watch TV.
A. that B. so .C. but D. because
11.-Would you like to play basketball with us?
-Yes, I’d love to. _____I’m afraid I have no time.
A. So B. But C. Or D. And
10. _____our football team failed in the match, we tried our best.
A.AS B. Though C. Because