David can speak English 变成否定句,一般疑问句,做肯定回答,否定回答! 急急急!我现在就要答案!

问题描述:

David can speak English 变成否定句,一般疑问句,做肯定回答,否定回答! 急急急!我现在就要答案!
解解吧!我真的很急!解解吧!谢谢各位了!

David can't speak English .
Can David speak English?
Yes,he can.
No,he can't.