Must I get through the business in one evening?  No, you ________.
#102724
A
mustn’t
B
haven’t
C
needn’t to
D
don’t have to
推荐题目
---Where are your parents? ---They are in the kitchen, they ______the dinner for the party the whole day.
#100575
A
are preparing
B
have been prepared
C
have been preparing
D
were preparing
There is no need to leave a tip in Canada. Service ________ in the bill.
#99259
A
included
B
is included
C
includes
D
was included
Although the causes of cancer_____, we do not yet have any practical way to prevent it.
#104936
A
are being uncovered
B
have been uncovering
C
are uncovering
D
have uncovered