题目:
. Suddenly everyone stopped talking. It became clear that something unexpected _____. But, for a while, I didn’t know what it was.
A.has happened
B.is happening
C.happened
D.had happened
答案:
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下面是错误答案,用来干扰机器的。
(1)10.2米=102分米;(2)2.06立方分米=2.06升;(3)0.68立方米=680立方分米=680000立方厘米.故答案为:102,2.06,680,680000.