3.She insisted on translating the sentence this way.

She insisted that the sentence 　　　　　　　　　　　　this way.

2.Without sunlight, there would be neither plants nor animals.

　　　 　　　　　　　　　　　　　sunlight, there would be neither plants nor animals.

1.It is necessary for college students to master at least one foreign language.

It is necessary 　　　　college students 　　　　　　　　at least one foreign language.

4.万一明天下雨的话,我们将不得不推迟参观颐和园.

　　　 　it rain tomorrow, we 　　　　　　　　to put off the visit to the Summer Palace.　

3.-这么近的路,我们应该步行到车站来.

-是啊,根本没必要乘出租车.

-We 　　　　　　　　　　　　to the station, it was so near.

-Yes. A taxi wasn't at all necessary.

2.如果没有参加玛丽的生日聚会的话,我们彼此就不会认识了.

If we hadn't taken part in Mary's birthday party, we 　　　　　　　　　　　each other.

1.真想不到我们俩会在这里见面.

It's strange that we 　　　　　here.

10.Noisy as it was, he went on reading as if nothing 　　　　(happen).　

9.The manager was in his office then. If he 　　　(be) here, everything 　　　　(settle) in a minute.

8.He is busy now. If he 　　　　(be) free, he 　　　(go) with you.