问题
He was （） a box on his shoulder.A、carryingB、keepingC、bringing
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It （） three years since I joined the air force. 【be】 我加入空军已经三年了。
问题
Mary is not here. She （） to Paris.A、wentB、has goneC、has been
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Mary （） into the room.A、burstB、crashedC、hit
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Two birds escaped （） their cage.A、fromB、withC、out
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The question was so difficult that （） people could answer it.A、littleB、afewC、few
问题
We can finish this work （） a few hours.A、inB、forC、after
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He worked in this company （） several years.A、inB、sinceC、for
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I （） that book. 【read】 我已经读过那本书了。
问题
They decided to （） into the cause of the accident.A、seeB、lookC、watch