-Good morning, Mr. Lee's office.
-Good morning. I'd like to make an appointment _________ next Wednesday afternoon.
for
on
in
at
It is surprising that such a young boy can swim ______ the river ______ 100 meters wide.
_____ in a heavy snow, he didn’t get there in time.
The criminals ______ in a hotel the other day were connected with a murder(谋杀).
With a lot of things , John will have a difficult time.
A big earthquake hit Ludian in Yunnan, ________ many deaths and injuries and a big loss of property.