题目内容：

Use what you have learned in U1-2 to complete the following sentences. One word for each blank ONLY.

1.在地震中，杰克森一家经历了许多苦难。

In the earthquake, the Jackson family ________ ________ a lot of sufferings.

2.我还清楚的记得曾经有一段时间我疯狂地迷恋上了武侠小说。

I still remember quite clearly that there was a time ________ I ________ ________ ________ martial arts novels.

3.学生们被要求必须在参观博物馆时保持安静。

It is ________ that the students ________ keep quiet when in the museum.

4. 每天都有大量的游客涌入上海世博园。

Every day, ________ ________ ________ ________ visitors pay a visit to the Expo Garden in Shanghai.