1 . This is the reason________ he was late for school. （用适当的词填空）

2 . Later, the medicine was tested on malaria patients, most of_recovered. (用适当的词填空)

3 . However, _________ it was possible to develop a hybrid of self-pollinating plants such as rice was a matter of great debate.（根据句意填空）

4 . 假定英语课上老师要求同桌之间交换修改作文,   请你修改你同桌写的以下作文。文中共有10处语言错误, 每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加: 在缺词处加一个漏字符号(∧), 并在其下面写出该加的词。
删除: 把多余的词用斜线( \ )划掉。
修改: 在错词下划一横线, 并在该词下面写出修改后的词。
注意: 1. 每处错误及其修改均仅限一词；2. 只允许修改10处, 多者(从第11处起)不计分。

During the Spring Festival, I watch a sci-fi movie The Wandering Earth with my friends. The movie direct by Guo Fan is very popular in China. It is set in 2075, where the earth is no longer safe to live. Unlike most western movies, the heroes do not give up the earth. Instead, they choose to save the earth by send it to another so-like system. I was deep impressed by the three generation of a Chinese family. They devote them to the mission. The movie conveys lots of Chinese values, but I think it is quite worth seeing it.

5 . ---Do you have anything to say for yourselves?
---Yes, there’s one point _________we must insist on.

A．that	B．where
C．when	D．as

6 . Life is like a long race _______we compete with others to go beyond ourselves.

A．which	B．when
C．that	D．where

7 . Peter was so excited _________ he received an invitation from his friend __________Chongqing.

A．that; to visit	B．when; to visit
C．that; visiting	D．when; visiting

8 . By nine o'clock, all the Olympic torch bearers _________ the top of Mount Qomolangma, _______appeared a rare rainbow soon.

A．reached; which	B．reached; on which
C．had reached; which	D．had reached; above which

9 . The film brought the hours back to me ________ I was taken good care of in that far-away village.

A．that	B．who
C．as	D．when

10 . __________ has already been pointed out, grammar is not a set of dead rules.

A．It	B．Which
C．As	D．What