--Canyouanswerthetelephone?I'mbusy________theInternet.--OK.I'llg

发布时间:2020-08-07 04:31:31

--Can you answer the telephone? I'm busy ________ the Internet.--OK. I'll get it.A.searchB.to searchC.searchingD.searched

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C解析此题考查的是词组be busy后面跟动名词即be busy doing。类似的词组有be worth doing。
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