December is ____month of a year .A.twelfth Bthe twelfth 答案选那个好呢?--_____you ____ my key --Yes ,I saw it on the desk just now .A.Have ,seen B.Did ,see C.Had ,seen D.Do ,see --Do you know _____ over there --Sorry ,I really don't know .Let'

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Decemberis____monthofayear.A.twelfthBthetwelfth答案选那个好呢?--_____you____mykey--Yes,Isawitonthedeskjustn

December is ____month of a year .A.twelfth Bthe twelfth 答案选那个好呢?--_____you ____ my key --Yes ,I saw it on the desk just now .A.Have ,seen B.Did ,see C.Had ,seen D.Do ,see --Do you know _____ over there --Sorry ,I really don't know .Let'
December is ____month of a year .A.twelfth Bthe twelfth 答案选那个好呢?
--_____you ____ my key --Yes ,I saw it on the desk just now .
A.Have ,seen B.Did ,see C.Had ,seen D.Do ,see
--Do you know _____ over there --Sorry ,I really don't know .Let's go and have a look .
A.whta happens B.what was happened C.what is happening D.what did happen
请帮说明些理由,
December is ____month of a year .A.twelfth Bthe twelfth 答案选那个好呢?

December is ____month of a year .A.twelfth Bthe twelfth 答案选那个好呢?--_____you ____ my key --Yes ,I saw it on the desk just now .A.Have ,seen B.Did ,see C.Had ,seen D.Do ,see --Do you know _____ over there --Sorry ,I really don't know .Let'
第一次回答问题 .献丑了 .
第一题 选 B,
December是一年的 第十二个月.
表示第几的时候,前面需要加定冠词the .
第二题选B,
“你看见了我的钥匙了吗?———— 是的,我刚才在桌上见到过.”
从答案可以看出 ,
该题考查的是对过去式的用法.
A项是现在完成时的用法 跟题不符合,
C项 是过去完成时的用法.D项 首先排除.
前后语法不一致.
第三题选C,
(what 打错了吧).
B D直接排除.跟语境不符合.C项.由后面回答的说“让我们去看看.”可以推测出,事情正在发生

a意思是你有没有看到我的钥匙
c根据后半句我们过去看看可知事件正在发生故选c

第一题选A,因为答语中用的是saw,是过去式。所以问句也是过去式。
第二题选C,翻译为你知道那里正在发生什么吗?是现在进行时。