问题

We are deeply impressed by the goal from the conferencethe average income will double by the year 2020.

A:that
B:which
C:what
D:whose

正确答案是：

同类题型

ason, could you help me carry mybag to the third floor It’s too heavy for me.— _______________.

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I prefer _____ to ______.

It was some time________we realised the truth.[ ]