I ________ it as a basic principle of the company that suppliers of raw materials should be given a fair price for their products.
| A．make | B．look | C．take | D．think |
I asked her whether she had done all the work herself ________ whether she had had asked sb. for help.
| A．and | B．but | C．nor | D．or |
—These boxes are too heavy for him to carry.
—Here, I’ll give you a hand________them.
| A．for | B．to | C．with | D．by |
I was on the point of going to bed ________ Mr. Zhang rang me up.
| A．as | B．when | C．while | D．and |
It’s really cold________July in Beijing now. Better put on your coat.
| A．in | B．during | C．for | D．to |
English is understood all over the world ________ Turkey is spoken by only a few people outside Turkey itself.
| A．while | B．because | C．unless | D．as |