单项选择题

Gunpowder was used extensively in firearms prior to 1990.

A．in
B．around
C．from
D．before
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单项选择题
John talked over the new job with his wife.
A．discussed
B．mentioned
C．accepted
D．rejected
单项选择题
The team's spirit was at the lowest point in the season.
A．ability to read
B．lesson
C．morale
D．talent
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