——Tom is never late for work. Why is he absent today?
—— Something _____to him.
| A．must have happened | B．can have happened |
| C．must happen | D．can happen |
In order to get ________ better job of the two, he claimed that he could speak ________ second language, hoping it was an advantage over the other applicants.
| A．the; a | B．a; a | C．the; the | D．a; the |
He _______ English for four years before he went abroad.
| A．has studied | B．was studying |
| C．has been studying | D．had been studying |
Carelessness always contributes _______ car accidents. Therefore, drivers are advised to concentrate their attention _______ driving.
| A．for; to | B．to; on | C．with; on | D．in; to |
With a lot of difficulties _______, they went to the seashore and had a good rest.
| A．settled | B．settling | C．to settle | D．being settled |
The number of people present at the meeting _______ two hundred and a number of them _______ from the countryside.
| A．is, are | B．is, is | C．are, are | D．are, is |