1 . 如果你拥有这样的机器人，它将对你有很大的帮助。
____________________________for you if you owned such a robot.

2 . 如果我处在你的地位，我就会放弃这份计划。
If I _________, I would give up the project.

3 . 如果现在我有张地图，我们就能很容易地走出森林。
If I ______ ______ ______ now, we ______ ______ ______ out of the forest.

4 . 如果猫、鼠和兔子被引入像这样的环境中，会发生什么样的变化呢？（虚拟语气）
What kind of changes would take place ________ to an environment like this?

5 . 那天我病了, 否则我会去参加运动会的。（一句多译）
（1）If I ________ that day, I ________ the sports meet. (take)
（2）I ________ that day; otherwise I ________ the sports meet. (participate)

6 . 要是我有更多的钱,我就可以做这件事。（have）
If only I ________ more money, I can do it.

7 . If I were given another chance, I ________ much better than I did last night.

A．will perform

B．performed

C．was performed

D．would perform

8 . —Would you mind being charged for WeChat, Mary?
—Certainly. I ________WeChat if I had to pay now.

A．would drop

B．will drop

C．will have dropped

D．would have dropped