—Dad,mustIpractise thepianotoday?—No,you        _.You may doit tomorrow.
#76321
A
needn’t
B
mustn’t
C
shouldn’t
D
can’t
推荐题目
You____Tom at the party yesterday;he went abroad for a holiday last week.
#63294
A
should have seen
B
might have seen
C
mustn’t have seen
D
couldn’t have seen
 —Must I wait for you here?—No, you ______. 
#76623
A
don't
B
can't
C
mustn’t
D
needn’t
—How dangerous it was!—Yes, but for the passer-by’s quick action, the girl ________.
#63100
A
was drowned
B
could have been drowned
C
had drowned
D
should be drowned