3个很简单的句型转换..急

题目

3个很简单的句型转换..急
She could not go home because she forgot to bring her keys
对 because she forgot to bring her keys 提问
____ ____ ___ she go home?
[why是确定的,然后呢?could not?]
Tom was reading a book at this time yesterday
对was reading a book 提问
____ _____ Tom _____ at this time yesterday?
[疑问词what吧,后面怎么写?was也被划进去的]
It rained heavily yesterday 改同义句
The rain ____ ___ yesterday
[是is heavy 感觉不对]

答案

1,why could not
2.was画进去没法改,不能画进去.what was doing
3,was heavy