问题

ore question, Sir—-Wait a minute. I ____ your questionsfor more than 30 minutes without a break. Where is my cup

A:have been answering
B:have answered
C:had answered
D:answered

正确答案是：

同类题型

Where is your brother, Jim I can’t find him anywhere now—Oh, he ________ soccer in the park.

97When he was in America, he made a journey of seven hundred miles _____ purpose to get a glimpse of the Niagara Falls

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62 The crowd therunners on as they started the last lap