(2013·济南一模)—Can you keep the secret?—You ________ worry — I'm not going to mention it to anyone.
#62426
A
needn't
B
couldn't
C
mustn't
D
won't
推荐题目
---- Is Ann knocking at the door?--- No, it ______ be Ann. She has gone to Beijing.
#76806
A
can’t
B
mustn’t
C
needn’t
D
may not
Nanjing isn’t so large __________ Shanghai, however, it’s the second __________ city in East China.
#78029
A
like; largest
B
as; largest
C
like; large
D
as; large
—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