Question

【题目】Nancy is good at _________. She is a good _________. ( )

A.swim; swimB.swimming; swimmer

C.swam; swimmingD.swam; swam

Answer 1

【答案】B

【解析】

句意为“南希擅长游泳。她是一位很好的游泳者。”at是介词后面加动名词，swim的动名词是swimming，游泳者swimmer，故选B。