问题

The school trip is _____ February 28th. [ ]
A: on
B: in
C: at
D:of
B: in
C: at
D:of
正确答案是:
同类题型
Maria is wanted on the telephone. Where is she?—She _________ the library. You can find her there.
My brother is a basketball player. —And he usually_____ very hard on the playground.
My uncle _____ Beijing next week. He is having a meeting there.
This book is____ as that one.[ ]
I left my knife on the ______ /te??bl/ last night, but I forgot it.