9. He ____________ the girl because she wore strange shoes.

8. I __________ Valerie’s voice from among the general conversation.

7. Most of us have ___________ the question of what makes life meaningful.

6. The US has threatened to ____________ economic and military aid.

5. Friends and neighbors joined police officers to ____________ clues.

4. Danny Aiello _________ this comedy about New York’s first big lottery winner.

3. He was a strong, vital man, successful and _________ his life.

2. The little boy ran for the football and _________ a man standing there.

1. What does all this __________ in the third sentence?

3. Do you find it funny to see someone sliding on a banana skin?你看到有人被香蕉皮滑倒会觉得可笑吗?

句中it是形式宾语，真正的宾语是不定式to see someone sliding on a banana skin，其中sliding on a banana skin是动词-ing作宾语补足语.所以本句包括两个结构：_K^S*5U.C#

(1)find it+adj.+to do sth. 觉得做……很……

I find it difficult to understand him.

(2)see sb. /sth. doing sth.看见某人做某事

Can you smell anything burning?

I heard Mr. Smith singing in the next door.

考点例题：

It is pretty well understood __________ controls the flow of carbon dioxide in and out the atmosphere today.

A. that　　 　　　　　　 B. when　 　　　　　 C. what　 　　　　　　 D. how

I hate ______ when people speak with mouthful.

A. it　 　　　　　　　　 B. that　　 　　　　　　 C. because　 　　　　 D. for

[模拟试题]