In the experiment we kept _____ watchful eye on ______ developments and recorded every detail.
| A．a; / | B．/; the | C．a; the | D．/;/ |
The factory produces half a million pairs of shoes every year, 80%are sold abroad.
| A．of which | B．which of | C．of them | D．of that |
Her valuable advice ________ to be taken, or you will suffer more loss.
| A．deserves | B．survives | C．serves | D．proves |
—Ouch! You hurt me!
—I am sorry. But I any harm. I to drive a rat out.
| A．didn’t mean; tried | B．don’t mean; am trying |
| C．haven’t meant; tried | D．didn’t mean; was trying |
I will be away for at least one year and I’d appreciate ______ from you now and then.
| A．having heard | B．hearing | C．heard | D．hear |
—Jack, your father has gone out without this umbrella!
—Well, take it easy. _________ he comes back for it.
| A．It is long before that | B．It won’t be long since |
| C．It will be long before | D．It won’t be long before |