By getting down___ all these jobs,we can certainly overcome

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By getting down___ all these jobs,we can certainly overcome all the difficulties facing us
A to do B doing C to doing D do
再问一个：to什么时候用作介词.什么时候用成不定式?

词组get down to sth/doing sth 表示“开始做某事,认真做某事或者重视某事物”,我们来举两个例子,Let's get down to business.我们开始办正事吧.It's time I get down to some serious work.该是我认真干点事情的时候了.所以选择C
to这个词一般情况下只能做介词、副词或动词不定式的标志词（小品词）.
当它后面接动词时,它是小品词；
当它后面接宾语（名词、代词、动名词、副词、介词短语等都可以用作宾语但动词永远不能做宾语）时,它是介词；
当上述两种情况都不符合时,to往往是副词,而且当它做副词时只能表示“苏醒”、“靠岸”等义.
但是对于填空中既有do又有doing的时候,就需要靠平时积累的短语的固定形式用法了
具体有一些TO短语的分类,是介词还是不定式,你自己细细看吧

By getting down___ all these jobs,we can certainly overcome 翻译we can certainly overcome these difficulties so long as we .I beliver we can overcome all barriers together forever Can we overcome natural disasters? 速求英语题答案!1.We can surely overcome these difficulties ________ 英语翻译1.Jobs are hard to come by these days.2.He can't compare We shall overcome.Yes,we can 帮忙翻译下, I'm afraid I can't carry all these boxes all by myself. if we can do at least two of these all the time ,we can make These are all challenging jobs.On the other there is no difficulty ___ we can overcome 英语翻译u took all these pictures by yourself?can scan some of y