问题

So far this year we ________ a fall in house prices by between 5 and 10 percent

A:saw
B:had seen
C:have seen
D:see

正确答案是：

同类题型

ing in bed, he was _______ awake withhis eyes fixed on the ceiling.

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Do you enjoy the meal I cooked for you ,TomYes ,it can’t be