Question

【题目】-My father often relaxes himself by __________ to music after work.

-How about your mother?

A. listen B. listened C. to listen D. listening

Answer 1

【答案】D

【解析】

句意：-我父亲经常在下班后听音乐放松自己。-你妈妈呢？A. listen动词，听；B. listened过去式或过去分词，听；C. to listen动词不定式，听；D. listening动名词或现在分词，听。by介词，通过，后跟名词/代词/动名词/。故选：D。