I think Tom, as the head of a big department, should either study regularly or ____his job.
| A．quits | B．to quit | C．quitting | D．quit |
The hard-working farmers and their happy life _____ we saw in the countryside made a wonderful impression on us.
| A．whom | B．who | C．which | D．/ |
The radio you had got ______ went wrong again.
| A．repairing | B．to repair | C．repaired | D．it repaired |
---Why did the teacher get angry? --- __________ what we had done the day before.
| A．Because | B．Since | C．As | D．Because of |
Did you ask whose computer ______________ ?
| A．that blue one was | B．is that blue one | C．it was that blue one | D．that blue one is |
If you ____ your money ____ mine, we will have enough to buy one more set of stamps to ____our collection.
| A．join; in; add | B．add; to; add to | C．put; to; add up | D．add; in; add up to |