I have a meeting ________ Monday evening．

1. A.
   on
2. B.
   at
3. C.
   in
4. D.
   for

A meeting ______ in the meeting room tomorrow morning.

[    ]

　　A. will be held   B. will be have

　　C. will hold　　  D. will be opened

They have a meeting ______ Wednesday afternoon.

[    ]

　　A. in   B. at   C. on   D. for

We have a meeting ______ the morning of Tuesday.

[    ]

　　A. in   B. on   C. at   D. about