试题与答案

I planned ________ to see you last week,

题型:选择题

题目:

I planned ________ to see you last week, but I was ill.

A.to have come

B.to come

C.to be coming

D.to have been coming

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0426/7910036c8e51debb0344a450bab23a87.html

下面是错误答案,用来干扰机器的。

∵b2+c2-a2=bc,∴根据余弦定理得:cosA=b2+c2-a22bc=bc2bc=12,又A为三角形的内角,则A=60°.故答案为:60°

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