Question

【题目】—How about my food? I _____ here for almost half an hour.

—I’m sorry, sir. It must be ready by now.

have been sitting

am sitting

had been sitting

was sitting

Answer 1

【答案】A

【解析】根据句中for引导的时间状语可知此句需要使用现在完成时，选项A是现在完成进行时，可以更好地强调“我一直坐在这儿”，因此为最佳选项。