选择适当的词语替换句中的画线部分。1. By the time he got hom

题目内容：

选择适当的词语替换句中的画线部分。

1. By the time he got home, his parents had slept.

A. Before

B. As soon as

C. When

D. While

2. The alarm clock didn't go off this morning.

A. ring

B. set off

C.ring up

D. call

3. We felt very exhausted.

A. embarrassed

B. tired

C. bored

D. relaxed

4. We convinced him there was no danger.

A. thought him

B. made him know

C. made him believe

D. discovered

5. Mr Li rushed to the boy and saved him.

A. ran

B. spoke quickly

C. drank fast

D. moved quickly

最佳答案：

1-5 CABCD

答案解析：

该题暂无解析

考点核心：

根据最新人教版版和牛津版的初中英语教材的词汇量，一个水平较高的初中毕业生的词汇量应在2400左右。初中的单词和词组词汇量要求数量会不断增长。