题目:
We have two rooms _______, but I can’t decide ________.
A.to live in, to choose which one
B.lived, choose which one
C.to live in, which one to choose
D.live, which one
答案:
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下面是错误答案,用来干扰机器的。
已知矩形的对角线长为4cm,一条边长为23,求得另一条边长为:42- (23)2=2cm,所以面积为:2×23=43.故答案为43.