求解英语选择题 高手进!( )Although it was very late when John began doing the job,he managed with his friend's assistance,___before the building was locked.A.to be finished B.being finished C.finishing D.to finish为什么选D?整句话

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求解英语选择题 高手进!
( )Although it was very late when John began doing the job,he managed with his friend's assistance,___before the building was locked.
A.to be finished B.being finished C.finishing D.to finish
为什么选D?整句话的意思?可不可以将第二个逗号去掉?
( )I have tried ____worrying about it.?
A.to stop consciously B.to consciously stop
C.to conscious stopping D.to stopping consciously
选B为什么不选A?副词放置有规律可循吗?还是只是根据句意的通顺程度来选择的?

D
可以
一般情况下,副词修饰动词,放在动词的后面.
to stop consciously worrying about it
分析这个时候,请问consciously是修饰stop,还是worrying.
为了明确对象,副词在前

第一句意思是,纵使对john来说时间很迟,但在他合理搭配伙伴的帮助下,他在大楼锁定前完成了(任务)。to 在这里是去做什么事的意思,所以排除BC,又因为完成工作是主动,所以选D。
第二句,副词一般放在行为动词之后、前,助动词之后,又因为try to do 是固定搭配,所以选B,A不能选得原因是stop是行为动词咯...

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第一句意思是,纵使对john来说时间很迟,但在他合理搭配伙伴的帮助下,他在大楼锁定前完成了(任务)。to 在这里是去做什么事的意思,所以排除BC,又因为完成工作是主动,所以选D。
第二句,副词一般放在行为动词之后、前,助动词之后,又因为try to do 是固定搭配,所以选B,A不能选得原因是stop是行为动词咯

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