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:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0518/e130bdf155bfd8e30a9255f00bf9ffd1.html
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.