.--Can I help you? --Yes. I bought this computer here yesterday, ,but it ______ now.
| A．didn't work | B．won't work | C．can’t work | D．doesn't work |
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The place ________ the bridge is supposed to be built should be________the cross-river traffic is the heaviest.
| A．which; where | B．where; which |
| C．where; where | D．which; which |
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I have just come in to see if I can be _________ any assistance to them.
| A．with | B．on | C．at | D．of |
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If this computer does not give complete satisfaction, please return it to the maker stating when and where it was ________.
| A．designed | B．operated | C．purchased | D．made |
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I soon found that the work I was doing had already been done by someone else - ________, I was wasting my time.
| A．in a word | B．in all | C．in other words | D．in words |
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Your watch is slow. You’d better ________ it.
| A．abandon | B．arrange | C．adjust | D．adapt |