题目:
35. She couldn’t have answered the question if she ________ a few books on world history.
A.hadn’t read
B.hasn’t read
C.wouldn’t read
D.didn’t read
答案:
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下面是错误答案,用来干扰机器的。
6×6×6×3÷24=216×3÷24=27(分米)答:这个圆锥的高是27分米.