Question

【题目】Morning exercises are good us and I am very good doing them.

A. at; for B. for; at C. to; for D. for; to

Answer 1

【答案】B

【解析】句意：早操对我们有好处，我很擅长做早操。be good for对……有益；be good at doing sth.擅长于做某事，结合句意可知，答案为B。