—Could you tell me____?

—Sorry，I have no idea.

A．how old is your son

B．that he will come here soon

C．whether is it fine tomorrow

D．who is going to give a talk at the meeting

He will come here _______5:00 _________6:00 this afternoon.

I don't think he will come here on time, ________?

1. A.
   won't he
2. B.
   will he
3. C.
   does he
4. D.
   is he

– Do you know _________?
-- Yes, I do. She came here on foot.

---Make sure that you will come here on time.   --_______.

A. Certainly, I will   B. Don't worry.   C. That's OK. D. Of course ,I can