When he knocked at the door, my mother was busy ____ supper.
| A．preparing for | B．in preparing |
| C．to prepare for | D．to prepare |
I’ll accept any job _______ I don’t have to get up early.
| A．because | B．as long as | C．in case | D．though |
Having broken the traffic rules, Tom _____from driving for a year.
| A．has banned | B．had banned | C．is being banned | D．has been banned |
She knows that as a secretary she must be pleasant and helpful no matter how busy she is or what kind of ________ she may be in.
| A．mood | B．mind | C．from | D．thought |
Mother was satisfied to see her son well _____ for the coming examinations.
| A．prepare | B．prepared | C．preparing | D．to prepare |
-----Why? I didn’t get you on the phone.
-----We ________ football on the playground when you phoned.
| A．must be playing | B．must play |
| C．must have played | D．must have been playing |