早上老师上课时，同学们应该说：________。
| A．Hello! | B．Good afternoon! |
| C．Good morning! | D．How are you? |
Could you please tell me an e-mail,please?
| A．what to send | B．how to send |
| C．when to send | D．if to send |
I found difficult to understand what the teacher said in English class.
| A．this | B．that | C．it | D．Her |
He asked her______.
A. how old is she
B. how old she is
C. how old she was
Paul’s uncle is the man taught us Chinese last year.
A. where B. which C. who
The Greens will visit Yueyang if they _____ to China.
A. comes B. come C. will come