Question

【题目】It's good for us to every day .

A. do morning exercise B. do morning exercises

C. doing morning exercise D. doing morning exercises .

Answer 1

【答案】B

【解析】句意：每天做早操对我们有好处。根据句型It’s good for sb to do sth做某事对于某人来说是……。此处exercise当“练习”“体操”时，是可数名词，当故选B。