Once you want to do something, you must get down it well. A. doB. doingC. to doDto doin

发布时间：2020-08-17 08:12:39

Once you want to do something, you must get down     it well.        
A. do
B. doing
C. to do
Dto doing

网友回答

A. do
B. doing
C. to do
(答案→)D. to doing
解析：句意：一旦你想要做什么，你必须开始认真把它做好。词组get down to doing sth“开始认真做…”，其中的to是介词，后面接不定式，所以选D。
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