问题

Where have you _ all day —I came back at noon and I in this room ever since.

A:gone; had been
B:gone; was
C:been; have been
D:been; am;

正确答案是：

同类题型

Was the driving pleasant when you went to Mexico last summer? — No, it ＿＿ for four days when we arrived, so the roads were very muddy

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Good, you’ve done it well! You need no more help from us, ______.

He put forward a good idea ________ gave us hope.