学进去

Rewrite the sentences（按要求改写下列句子，每线词数不限）
1. These pairs of slippers both look pretty.（改为一般疑问句）
_______ these pairs of slippers both _______ pretty?
2. This pair of trousers is 100 yuan.（根据划线提问）
_____________ is this pair of trousers?
3. Please try on some shirts.（改为否定句）
____________ try on ______ shirts.
4. The boys can put on the hats. （改成现在进行时）
The boys ____________ on the hats.
5. I walk down the street and cry out.（用 he 代替 I，其余作相应变化）
He ______ down the street and ______ out.