题目内容
The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck．
[ ]
A．
was
B．
is
C．
were
D．
had been
答案：A
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题目内容
The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck．
was
is
were
had been