问题

Will you drop ________ us tomorrow evening for a talk?—Sounds great! [ ]
A: on in
B: on at
C: in at
D:in on
B: on at
C: in at
D:in on
正确答案是:
同类题型
Tom can’t find his gloves. Are these blue gloves his? —No, they ______ be his. His gloves are black.
Why don’t we take a little break? —Didn’t we just have_________?
It’s Tom’s room, so it belongs to ______. It’s ______ favourite place.
_____,there were also no lights in the houses along the street.