The police still haven’t found the lost child, but they’re doing all they .
#63627
A
can
B
may
C
must
D
should
推荐题目
― Why ______ you stay in the countryside, where it’s not convenient to go shopping?―But I’ve found it rather valuable for my health.
#63670
A
can
B
must
C
may
D
shall
---Do you still remember when we went to Chong qing?----I can’t remember now but_____ sometime last summer?
#62767
A
could it be
B
might it be
C
must it have been
D
could it have been