1.These are men.（变单数句子）
问题描述：
1.These are men.（变单数句子）
This () a ().
2.Tde children can play football well.（否定句）
The children () () football well.
3.The story book is (on the big desk).（括号中的部分提问）
()()the story book?
4.Bill's brother dances well?（一般疑问句）
()Bill's brother
答
1.This is a man.
2.The childrem can't play football well
3.Where is the story book?
5.Does Bill's brother dance well?