Your trousers ____ dirty and you must have ______ washed.
A. is , it
B. are ,it
C. is, them
D. are, them
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He, including his parents, ______this novel.
A. like
B. likes
C. are like
D. is like
What about a drink?________
A. Good idea
B. Help yourself
C. Go ahead, please.
D. Me.too
Every means ________prevent the water from______.
A. are used to, polluting
B. get used to, polluting
C. is used to, polluted
D. is used to, being polluted
This room ought _____ before five o'clock.
A. to clean
B. to be cleaned
C. clean
D. be cleaned