is li ming in the classroom?yes,i noticed him___(go) into it just now.i'll go to the library as soon as i finish what i __A.have doneB.was doingC.had doneD.am doing求答案和解释is li ming in the classroom?yes,i noticed him___(go) into it just no

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is li ming in the classroom?yes,i noticed him___(go) into it just now.i'll go to the library as soon as i finish what i __A.have doneB.was doingC.had doneD.am doing求答案和解释is li ming in the classroom?yes,i noticed him___(go) into it just no
is li ming in the classroom?yes,i noticed him___(go) into it just now.
i'll go to the library as soon as i finish what i __
A.have done
B.was doing
C.had done
D.am doing求答案和解释
is li ming in the classroom?yes,i noticed him___(go) into it just now.这也是一题,

is li ming in the classroom?yes,i noticed him___(go) into it just now.i'll go to the library as soon as i finish what i __A.have doneB.was doingC.had doneD.am doing求答案和解释is li ming in the classroom?yes,i noticed him___(go) into it just no
第一个句子:notice是感官动词 后加动词原形表示看到动作的全过程 因此最好是用go 
第二个句子:虽然主句是一般将来时,但这里不是考主将从现,仅仅是考察对时态的理解,finish后带宾语从句,从语义上理解应该是完成现在做的才去图书馆,所以应该选D

1 go notice后接动词原形,表示看到全过程
2 D 根据逻辑联系,很快能选出来,肯定不能用完成时或者过去进行时

1,D 我把正在做的事完成后就去图书馆
2,went notice是瞬间的词,不能用进行时

notice 后面接doing 形式表示看见某个动作发生的一个瞬间,后面接do 的形式表示看见某个动作发生的全过程。而第一个题,进入图书馆是个瞬间动词,所以,用notice him going /go into …都在语法上正确。第二题应该选择D。你可以根据翻译理解,要完成正在做的事情再去图书馆。在语法上,这个句子是一个条件状语从句。应该按照主语为进行时的时候,从句为现在时的结构。...

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notice 后面接doing 形式表示看见某个动作发生的一个瞬间,后面接do 的形式表示看见某个动作发生的全过程。而第一个题,进入图书馆是个瞬间动词,所以,用notice him going /go into …都在语法上正确。第二题应该选择D。你可以根据翻译理解,要完成正在做的事情再去图书馆。在语法上,这个句子是一个条件状语从句。应该按照主语为进行时的时候,从句为现在时的结构。

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D.am doing有两题第一个句子:notice是感官动词 后加动词原形表示看到动作的全过程 因此最好是用go  第二个句子:虽然主句是一般将来时,但这里不是考主将从现,仅仅是考察对时态的理解,finish后带宾语从句,从语义上理解应该是完成现在做的才去图书馆,所以应该选D...

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D.am doing

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