He tried to deal with the ever-increasing burden of his work，but finally _____ and had to take a complete rest.
| A．broke away | B．broke up |
| C．broke down | D．broke out |
“Mike is often absent from class.” “Tell him he _____ answer for it if he goes on behaving like that.”
| A．shall | B．will |
| C．would | D．can |
It was not until he came back _____ he knew the police were looking for him.
| A．which | B．since |
| C．that | D．before |
It was ten o’clock _____ he came back home.
| A．when | B．that |
| C．since | D．after |
Was _____ that I saw last night at the concert？
| A．it you | B．not you |
| C．you | D．that you |
It is _____ my father worked _____ I work now.
| A．where, that | B．where, when |
| C．that, where | D．that, that |