---Do you believe there are aliens?---i'm afraid not.i don't think aliens ____in space.A,can find B can be found C.can be founded D,can't be found百度上的答案说选B,但我认为应该选C.外星人应该是被发现,所以要用被动语态!

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---Doyoubelievetherearealiens?---i''mafraidnot.idon''tthinkaliens____inspace.A,canfindBcanbefoundC.can

---Do you believe there are aliens?---i'm afraid not.i don't think aliens ____in space.A,can find B can be found C.can be founded D,can't be found百度上的答案说选B,但我认为应该选C.外星人应该是被发现,所以要用被动语态!
---Do you believe there are aliens?
---i'm afraid not.i don't think aliens ____in space.
A,can find B can be found C.can be founded D,can't be found
百度上的答案说选B,但我认为应该选C.外星人应该是被发现,所以要用被动语态!

---Do you believe there are aliens?---i'm afraid not.i don't think aliens ____in space.A,can find B can be found C.can be founded D,can't be found百度上的答案说选B,但我认为应该选C.外星人应该是被发现,所以要用被动语态!
答案没错啊
使用被动语态啊 find 的过去分词 就是found啊
希望能够帮到楼主

这个题的答案是对的哟,find的过去时、过去分词形式都是found

B就是被动语态
如果用C的话,那found就是动词原形,意思是“建立,创立”,而不是“找到,发现”的意思了

found 已经是find的被动了

正确答案选B
can be found本来就是被动,found是find的过去时,不规动词请熟悉。