每个孩子享有相同的教育机会是必要的。

5．The fact ____________________ worried his parents a lot.

他没有女朋友这一事实使他父母很担心。

答案　1. It occurred to me that　2. does come from　3. That was why　4. It is essential　5. that he had no girl friends

Ⅳ. 单句语法填空

1．________ we like to do most on holiday is just go to the countryside to see my grandparents.

2．I wonder ________ he could lend me some money.

3．________ the earth turns around the sun has long been proved.

4．The fact ________ the money has gone does not mean it was stolen.

5．That's ________ I was late for the appointment.

6．As the wages were low，there were few ________(apply) for the job.

7．________ occurred to him that he had an important conference to attend the next morning.

8．________(learn) more about Chinese culture，Jack has decided to take Chinese folk music as an elective course.

答案　1. What　2. whether　3. That　4. that　5. why　6. applicants　7. It

8．To learn

【知识链接】

1．occur vi. 发生；出现；存在于

拓展：occur to sb(想法、念头等突然)出现在某人脑海中......

It occurs to sb＋that. . . 某人突然想起......

It occurs to sb to do sth某人突然想起做某事

It suddenly occurred to one of the workers to open up the box.

一个工人突然想起打开箱子。

[易混辨析] occur/happen/take place

这几个词都有"发生"的意思。

(1)occur较正式用词，可用于具体或抽象的事物，通常指按计划或规律在较为确定的时间"发生"的事。