—Shall we keep the windows _______ ?
—Sure , so that we can let clear air in . But when we leave the classroom , they must be ______ .
A. opened , closed B. closed , open C. close , opened D. open , closed
Farmers are getting _____ in our hometown these years .
A. more and more rich B. richer and richer C. the most rich D. much more richer
Allan didn’t take the coat with him on a cold night . _____ , he got a cold .
A. First of all B. Because of C. As a result D. For example
______ the letter he wrote down his name .
A. In the end of B. At the front of C. In the beginning of D. At the end of
My mother _____ at home this time in the morning .
A. may be B. maybe C. may is D. May be not
—Can you give me some advice about learning English？
—I think you should spend as much time as you can _______ English .
A. practice speaking B. practicing speak
C. practice speak D. practicing speaking
