单项选择题

A．Brush your teeth right before you go to bed in the evening.
B．Have as few of your teeth pulled out as possible.
C．Have your teeth X-rayed at regular intervals.
D．Clean your teeth shortly after eating.
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单项选择题
A．She promised to help the man.B．She came a long way to meet the man.C．She took the man to where he wanted to go.D．She suggested a way out of the difficulty for the man.
A．She promised to help the man.
B．She came a long way to meet the man.
C．She took the man to where he wanted to go.
D．She suggested a way out of the difficulty for the man.
单项选择题
A．It is quite general.B．Most of the information he needs will be found in newspapers.C．She thinks he should change it.D．It should take a very short time to find material on it.
A．It is quite general.
B．Most of the information he needs will be found in newspapers.
C．She thinks he should change it.
D．It should take a very short time to find material on it.
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