问题

Have you ever been to Singapore?—Yes, I ________ there three times in 2009 alone

A:have been
B:have gone
C:went
D:had gone

正确答案是：

同类题型

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ean the position is still notoccupied—- Yes, but you must know that our job isvery demanding—- _______

Johnson said that he had a headache and wouldn’t come to the discussion.—____________. He always uses that excuse.

He devoted all his life to_____ novels.[ ]