---Who is the tallest boy? ---It ______ be John.. John is of medium height.
#75022
A
must
B
needn’t
C
might
D
can’t
推荐题目
This book _____ Lucy’s. Look! Her name is on the book.
#76581
A
must be
B
may be
C
can’t be
D
mustn’t be
Tom’s score on the test is the highest in the class. He _____.
#62444
A
should study last night
B
should have studied last night
C
must have studied last night
D
must study last night
I ________ be a little bit slow, but at least I don’t make foolish mistakes.
#74640
A
should
B
may
C
must
D
need
I __________use a clock to wake me up because at six o'clock each morning the train comes by my house.
#63362
A
couldn’t
B
mustn’t
C
shouldn’t
D
needn’t
----- I want to know if I _________ smoke here. ----- No, you ___________. Can’t you see the sign “NO SMOKING” there?
#76693
A
shall; won’t
B
may; mustn’t
C
can; needn’t
D
must; can’t