Mrs. Brown was much disappointed to see the washing machine she had had____ went wrong again.
| A．it | B．it repaired | C．repaired | D．to be repaired |
The lower production levels are a _________ of dissatisfaction among the workers, so it’s time to raise their salary.
| A．symptom | B．recognition |
| C．potential | D．tendency |
________in space by ordinary citizens will be common.
| A．Travel | B．Travelling |
| C．Travelled | D．To travel |
—Are you free，Jane？Let’s go to watch the movie.
—Well，time is________；the real problem is that I haven’t got much money.
| A．the major issue | B．the question |
| C．not the issue | D．out of the question |
You may________it that he will turn up in time.
| A．decide on | B．depend on |
| C．answer for | D．make sure |
The old man told me that this kind of plant didn’t need________．
| A．to water | B．water |
| C．watered | D．to be watered |