问题详情：
句型转换
1.A knife is used to cut things.（给出同义句）
A knife is used things.
2. Germs are so tiny that we can’t see them. （改为简单句）
Germs are tiny for us see.
3. The film began five minutes ago. (改为现在完成时)
The film has for five minutes .
4. Mike put on his coat. （改为被动语态）
coat put on.
5.“Did you hear anything？” I said to Maria.（改为间接引语）
I asked Maria if had anything.
【回答】
1. for， cutting 2. too， to 3. been， on
4. Mike’s ， was ， heard
知识点：句型转换
题型：未分类
