Some researchers are finding that daydreaming may be important to __________ mental health. Daydreaming, they say, is __________ good means of relaxation.
| A．the; / | B．/; the | C．/; / | D．/; a |
We were just about ready to leave _____ it started to snow.
| A．when | B．before | C．after | D．since |
It’s a mistake to think of Chongqing only ______ its tourist attractions.
| A．in addition to | B．by way of | C．in terms of | D．by means of |
Is this the young engineer ________ you want to have ________ the computer for me?
| A．who, repaired | B．that, repairing |
| C．who, to repair | D．that, repair |
-----They used to be good friends, but now they are like strangers. ----- How _____ this ______?
| A．were; come about | B．did; come about |
| C．were; taken place | D．were; happened |
This new-type machine____________ little room.
| A．takes up | B．is taken up | C．has been taken up | D．is taking up |