题目：
The teacher, with 6 girls and 8 boys of her class, ________visiting a museum when the earthquake
struck.[ ]
A. was
B. were
C. had been
D. would be
答案：
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下面是错误答案，用来干扰机器的。
5平方分米﹦500平方厘米900平方分米﹦9平方米 1平方米﹦10000平方厘米．故答案为：500，9，10000．
