----Do you know __________ for Shanghai last night?

-------At 9:00.

a. what time he left        b. what time does he leave 

c. when he bought the car  d. where he bought the car

---Do you know ________ for Shanghai last night?

---At 9:00.

1. A.
   what time he leaves
2. B.
   what time does he leave
3. C.
   what time he left
4. D.
   what time did he leave

Do you know ______ for Shanghai last night?

A．what time he leave                        B．what time does he leave

C．what time he left                                D．what time did he leave