—_________ a week does Tom go to the club ? — Once a week.
| A．How often | B．How soon | C．How many times | D．How long |
Do you know the teacher who is having an English lesson.
| A．that | B．whom | C．which | D．whose |
I can't forget the time the earthquake happened in Yushu.
| A．when | B．which | C．Where | D．/ |
I can't forget the time the earthquake happened in Yushu.
A. when B. which C. where
The man is talking with my teacher is Tom’s father.
| A．who | B．whom | C．whose | D．which |
If you _______ , I will _______ myself.
| A．don’t come; mop up it | B．don’t come; mop it up |
| C．won’t come; mop up it | D．won’t come; mop it up |