单项选择题

It takes us ______ hour or more to go to my hometown by ______ train.

A． an, a
B． a, an
C． an, 不填
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单项选择题
Mr. Brown often comes back home after his wife and the child are asleep.
A． Right
B． Wrong
C． Doesn't say
单项选择题
When Mr. Brown comes home late, he usually wakes his wife up.
A． Right
B． Wrong
C． Doesn't say
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