单项选择题

A．Because they can make people live more easily.
B．Because they can smooth away daily problems.
C．Because they can deal with life changes.
D．Because they can cure types of illnesses.
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单项选择题
A．It was very developed.B．It was densely populated.C．It was at a war with Great Britain.D．It was a small, unimportant city.
A．It was very developed.
B．It was densely populated.
C．It was at a war with Great Britain.
D．It was a small, unimportant city.
单项选择题
A．She had promised that she would.B．She has been sick.C．She needs his approval for her schedule.D．She must verify his plans.
A．She had promised that she would.
B．She has been sick.
C．She needs his approval for her schedule.
D．She must verify his plans.
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