Question

【题目】Some boys in our class _____the footbal club for a year．They are crazy about playing football now．

A. joined B. have joined C. have been in

Answer 1

【答案】C

【解析】句意：我们班的一些男孩们参加足球俱乐部一年了。现在他们对踢足球很痴迷。根据语义可知，本句表达过去的动作对现在造成的影响与结果，所以使用现在完成时态；for a year表示一段时间，谓语动词应是持续性动词，join是暂时性的动词。故选：C。