Mike, please be quiet, or the other students hear me clearly.
#74243
A
mustn’t
B
shouldn’t
C
needn’t
D
can’t
推荐题目
(2013·高考新课标全国卷Ⅱ)Since nobody gave him any help，he________have done the research on his own.
#62474
A
can
B
must
C
would
D
need
----- Where is Jack?.-----He______ be in the reading room .I saw him just now.
#75041
A
need
B
can
C
must
D
would
—Is Mr. Green in the office?—No, he ________ be in the office. Look, the light in the office is off.
#78340
A
mustn’t
B
can’t
C
needn’t
D
may not