It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
#62254
A
couldn’t
B
may
C
should
D
needn’t
推荐题目
— Must I answer this question in English?— No, you_________.
#76813
A
mustn’t
B
needn’t
C
can’t
D
shouldn’t
Don’t put off today’s work till tomorrow. I mean, today’s work _____today.
#74961
A
may do
B
must do
C
may be done
D
must be done
(2013·高考四川卷)—Why are your eyes so red? You________have slept well last night.—Yeah，I stayed up late writing a report.
#62468
A
can’t
B
mustn’t
C
needn’t
D
won’t
---Must I be back home before 6 o’clock? ---No, you ____. But don’t be too late.
#78218
A
can’t
B
mustn’t
C
needn’t
D
won’t