1 . Were it not for their assistance, we’d be in a very difficult position.(英译汉)

2 . 如果我们过去做了很大努力的话，我们可能就获得成功了。（汉译英）

3 . If that incident________(not happen)，I wouldn't have made new friends in high school and met the people who are my best friends now. (所给词的适当形式填空)

4 . 如果你参考了这些失败经验的话，就不会在考试中犯下如此的错误。（汉译英）

5 . 要不是你去年努力学习，今天你也不会取得如此大的进步。（虚拟语气）
If ________ hard last year, you ________ such great progress today.

6 . 如果她昨天见过你，她会告诉你真相。
If she ________ you yesterday, she would have told you the truth.

7 . 要是她过去不那么浪费的话，我想她就能买得起车了。(afford) （汉译英）

8 . ---Ted has never been so rude !
--- You wouldn’t have been so angry if he ________(make) an apology for it ,but I guess he didn’t mean to. (所给词的适当形式填空）

9 . 多谢了！要是没有你及时的指导，我不可能在这么短的时间里完成这个艰巨的工作。(虚拟语气)
Thanks a lot! Without your timely guidance, ________.

10 . 要是我生活在他的时代，听从他的教导就好了！
If only I had lived in his times and__________________!