i like ( )books in my free time,括号里的单词是以r开头,以g结尾的单词,那应该是申单词呢急用

i like ( )books in my free time,括号里的单词是以r开头,以g结尾的单词,那应该是申单词呢急用
i like ( )books in my free time,括号里的单词是以r开头,以g结尾的单词,那应该是申单词呢
急用

i like ( )books in my free time,括号里的单词是以r开头,以g结尾的单词,那应该是申单词呢急用
reading

reading,like doing sth.

reading，动名词

reading
因为 like 所以 是ing形式

reading
（like doing sth.）