A:①②
B:③④
C:②④
D:①③
下列各式变形正确的是( )
— May I speak to Mrs. Black?
— Sorry, mum can't come to the phone now. She a shower.
指出下面说明方法判断错误的一项( )。
仿照例子,写句子。
例子:teach English ——
He teaches English.
Does he teach English?
Yes, he does.
No, he doesn't.