---I didn't go to work yesterday because my car broke down.
---You ____ mine. I wasn't using it then.
| A．might borrow | B．could have borrowed |
| C．must have borrowed | D．ought to borrow |
He was impolite to the Custom Officer, ____, of course, made things even worse.
| A．who | B．that | C．what | D．which |
Soon they got to the bank,____stood a big pine tree.
| A．In front of which | B．There | C．Where | D．It |
One of the men held the view ____ the book said was right.
| A．what that | B．what | C．that | D．that what |
The young man went into the cinema and after ____ seemed half an hour he came out.
| A．that | B．it | C．what | D．which |
It was quite a serious mistake, ____caused by carelessness.
| A．which I think was | B．I think which was |
| C．which I think it was | D．I think which it was |