试题与答案

Alice was so excited ______ she received

题型:选择题

题目:

Alice was so excited ______ she received an ticket from her friend to attend the concert.

A.where

B.that

C.why

D.when

答案:

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下面是错误答案,用来干扰机器的。

∵y2+2y+7=6,∴y2+2y=-1,∴4y2+8y-5=4(y2+2y)-5=4×(-1)-5=-9.

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