题目内容：

单词拼写(共5小题；每题2分；满分10分)

根据相关提示准确拼写出相关单词及其词形变化, 补充完整以下句子；完全正确方可得分。

1. Who do you imagine _________ (改造, 变换) the garage into a recreation room then?

2. Under no __________(情况) will the Chinese allow Taiwan to break away from China.

3. He is only too ready to help others, seldom, if ever, r_________ them when they turn to him.

4. Impressed by the luxurious s____________(环境),he didn’t want to leave.

5. There are a lot of natural           (现象) we can’t understand.