—Listen! Peter is singing in the classroom! —It _____ be him. He has gone back to his hometown.
#74925
A
must
B
mustn’t
C
may not
D
can’t
推荐题目
—We want someone to design the new art museum for us?— the young fellow have a try?
#63256
A
May
B
Shall
C
Will
D
Need
–Look! A man is cutting a tree on the moon. --It ______ be true. The teacher said there is no air on the moon.
#74768
A
can’t
B
may not
C
shouldn’t
D
mustn’t
--- The drought situation has been severe these days．--- If it had rained even a drop, things would be much better now and many crops ____．
#63205
A
wouldn't die
B
would die
C
wouldn't have died
D
would have died
—Look! Is that Mr. Green?—It be Mr. Green. He has gone to Shanghai.
#75596
A
must
B
can
C
mustn’t
D
can’t