Summer is good time for swimming so you can find a good coach to help you in summer of

问题补充：

Summer is good time for swimming, so you can find a good coach to help you in summer of .

A. a; the

B. /; /

C. a; /

D. /;the

答案：

(答案→)A. a; the

B. /; /

C. a; /

D. /;the

解析：考查冠词。句意：夏天是一个游泳的好时刻，因此在夏天你能找到一个好教练帮助你。结合语境可知上文泛指任何一个不错的时刻，用不定冠词；下文特指夏天，用定冠词，故选A。