用括号内所给动词的适当形式填空。

1. A committee _____ (consist) of nine members has been sent there to look into the matter.

2. Little Tom stood up, opened his note-book and _____ (pretend) that he had understand everything.

    In fact, it was quite difficult.

3. We are going to visit an old temple _____ (date) back to 12th century.

4. I would rather you _____ (meet) her at the airport tomorrow morning.

5. I need one more stamp before my collection _____ (complete).