–Excuse me, is this seat taken?
_______. That man got his books and left a few minutes ago.
| A．I am afraid so. | B．I don ’t think so. |
| C．I don ’t know. | D．I hope not. |
Things made of plastic are usually _______, but they are _______ to get polluted.
| A．cheap; easy | B．cheap; easier | C．cheaper; easy | D．cheaper; easier |
All the club members _______ the floor when they heard someone _______ for help.
| A．swept; were shouting | B．swept; shouted |
| C．were sweeping; shouting | D．were sweeping; shouted |
A fridge is used to keep food which goes _______ very _______.
| A．badly; quick | B．bad; quickly |
| C．badly; slow | D．bad; slowly |
—Our P.E. teacher isn’t as young as he _______, is he?
—No, but he is one of _______ in our school.
| A．looked; the youngest teacher | B．looks; the youngest teachers |
| C．looks; the oldest teachers | D．looked; the oldest teacher |
There is _______ with your computer. Why not have it _______?
| A．nothing wrong; repaired | B．nothing wrong; repair |
| C．something wrong; to repair | D．something wrong; repaired |