----- Where is Jack?.-----He______ be in the reading room .I saw him just now.
#75041
A
need
B
can
C
must
D
would
推荐题目
The funny story makes  us ________ a lot.
#77001
A
laughing
B
to laugh
C
laughed
D
laugh
-May we start the meeting now?-No, we________ . We__________ to start until the manager comes.
#76883
A
mustn’t; are allowed
B
don’t have to; are supposed
C
needn’t; aren’t allowed
D
can’t; aren’t supposed