Cars do cause people some health problems, in fact far more serious _____ than computers do.
| A．one | B．ones | C．it | D．those |
—What’s that noise, John?
—Oh, don’t you know that the school library ?
| A．is rebuilt | B．is being rebuilt | C．was rebuilt | D．has been rebuilt |
On the way home, sky grew dark, andcold rain began to fall.
| A．the; 不填 | B．不填; the | C．the; a | D．不填; a |
---Where did you see the sponsor, Madame?
---It was in the supermarket __________I was doing some shopping with my husband.
| A．that | B．where | C．which | D．when |
The time he has devoted in the past years ________ the disabled is now considered _______of great value.
| A．to help; being | B．to help; to be | C．to helping; to be | D．helping; / |
It will be quite a long time _______ she is back again, so don’t be too cross with her.
| A．before | B．since | C．that | D．until |