1 . ________ visitors who were trapped on the hill after the heavy rain ________ unknown yet.

A．A number of; were	B．A number of; was
C．The number of; were	D．The number of; was

2 . 短语英译汉
1. put forward _________
2. consist of________
3. a number of________
4. depend on __________
5. take up _________

3 . The number of people present at the meeting _______ two hundred and a number of them _______ from the countryside.

A．is, are

B．is, is

C．are, are

D．are, is