问题

The police stillhave found the lost child, but they’re doingall what they _____. [ ]

A: can
B: may
C: must
D: should

正确答案是：

同类题型

Frank put the medicine in a top drawer to makesure it would not be __________ to the children.

Could you please tell me _____________–Yes, she came to teach here just last week.

Could you please do the dishes — _________.

_______. What’s this in English –_______, I don’t know.

Catherine’s mother doesn’t _____ of her meeting her online friends in case she meets with some bad guys. [ ]