作业帮Listen!They___about happy potter.let's join them.A.are talkingB.talkC.have talkedD.talked.写知识点
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Listen!They___about happy potter.let's join them.A.are talkingB.talkC.have talkedD.talked.写知识点
Listen!They___about happy potter.let's join them.A.are talkingB.talkC.have talkedD.talked.写知识点
Listen!They___about happy potter.let's join them.A.are talkingB.talkC.have talkedD.talked.写知识点
A.are talking
译文：听啊!他们在谈论哈利波特,我们加入他们吧!
【知识点】现在进行时构成：系动词be(根据人称变)+动词+ing