1 . 如果我是你，我不会那么做。
_____________, I wouldn’t do that.

2 . if条件句中的虚拟语气
________, we would all starve.
如果没有海洋动物，我们都会饿死了。

3 . If I___________(be)you, I wouldn’t wait. (所给词的适当形式填空)

4 . Without air, man ________(not exist) on the earth. (所给词的适当形式填空)

5 . If I_________(be) you, I would have taken his advice. (所给词的适当形式填空)

6 . ________ (be) it not for their timely help, we ________(have) no food to eat. (所给词的适当形式填空)

7 . The current population of the plant ______________ fit into the state of Taxes, if Taxes were settled as thickly as New York City．

A．could

B．can

C．will

D．should

8 . --Tom, your foreign teacher speaks Chinese fluently!
--Oh, she has lived in China for six years; otherwise she        such good Chinese.

A．didn’t speak	B．would not have spoken
C．would not speak	D．hadn’t spoken

9 . Sorry, I am too busy now. If I _____ time, I would certainly go for an outing with you.

A．have had

B．had had

C．have

D．had