It’s possible_____ the old. We should often do so.
| A．of us to help | B．for us to help |
| C．of us helping | D．for us helping |
It’s ____ to play on the road. You’d better play in a ____ place.
| A．safe, dangerous | B．safety, danger |
| C．safe, danger | D．dangerous, safe |
It ________ him half an hour to drive home every day .
| A．costs | B．spends | C．takes | D．uses |
The dish looks good, but when I eat it, it ________very terrible.
| A．tastes | B．smell | C．look | D．sounds |
As students, we are supposed to spend more time _________ .
| A． study | B．studied | C．studying | D．to study |
When __________ he supposed to arrive yesterday?
| A．are | B．was | C．were | D．is |