Changetheformsofthefollowingsentences. 句
题型：句型转换
问题：
Change the forms of the following sentences. 句型转换。
1. Danny hears the phone ringing.（改为否定句）
2. There are two zeros in Jenny's number.（对画线部分提问）
3. It's a snowy evening.（改为同义句）
4. Time for school.（改为同义句）
5. Mrs Smith is cooking hamburgers.（对画线部分提问）