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第42题,He told me the news____________our team had won the game. A、about B、of C、as D、that
第43题,-This box is too heavy for me to carry upstairs. -________.
A、You may ask for help. B、Let me give you a hand. C、Please do me a favor. D、I'd come to help.
第44题,Silk _______ by Chinese for thousands of years now. A、has used
B、has been used C、was used D、is used
第45题,Copper as well as most metals ____________. A、is a good conductor B、is a good insulator C、are good conductors D、are good insulators
第46题,-Do you mind telling me where you're from? -_________. A、Certainly. I'm from London B、Sure. I was born in London C、Not really, you can do it
D、Certainly not. I'm from London
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第47题,Hans has a new car. I wonder when____________it. A、he bought B、did he buy C、buys
D、he is buying
第48题,We have come to a critical moment. You must take immediate ___. A、act B、action C、activity D、doings
第49题,There used to be some trees by the lake, ____________? A、was there B、were there C、weren't there D、wasn't there
第50题,I wonder how many years ago____________. A、did your father retire B、your father retired C、has your father retired D、your father has retired
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