问题

I have no idea what _____ while I was asleep
A:has served
B:had served
C:is serving
D:served
B:had served
C:is serving
D:served
正确答案是:
同类题型
.Weagreed ______here but so far she hasn’t turned up yet.
The peace talk is going on in a friendly . Hopefully, an agreement will be made today.
You’d better ______ some hot water into the bottle in case the teacools down.
is really hard them to climb Mount Huang.
On Sundays, there were lots of children inthe park, ________parents sitting together joking.