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In the future, robots can help ________ the room.

[  ]

A.clear up
B.clean up
C.stay up
D.stand up

答案:B
解析:

解析:本题考查含up的短语的含义。clear up意为“(天气) 转晴”;stay up意为“熬夜”;stand up意为“站起来”;clean up意为“把……收拾整齐,把……打扫干净”。根据题意“未来,机器人能帮助收拾房间。”可知应选B


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