John, look at the time. ____ you play the piano at such a late hour?
#63573
A
Must
B
Can
C
May
D
Need
推荐题目
You were stupid to try climbing up there. You ______ yourself.
#63047
A
can kill
B
might have killed
C
might kill
D
must have killed
You         get up so early this morning because it’s Sunday today .
#76143
A
not need to
B
don’t need
C
needn’t
D
needn’t do
The factory ______ its waste into the river, but now it deals with the waste in a new way.
#77406
A
used to dump
B
is used to dump
C
used to dumping
D
is used to dumping