单项选择题

A．Most Americans’ sleeping quality is not as bad as it used to be.
B．Americans do not want to give up any more sleep.
C．Americans guarantee to change the sleeping habits.
D．Americans want to know how bad it is to their health.
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单项选择题
A．Jim’s notes are not very good.B．Professor Harrison doesn’t teach well.C．Jim’s notes are good for the woman to borrow.D．The woman should have come to the lecture earlier.
A．Jim’s notes are not very good.
B．Professor Harrison doesn’t teach well.
C．Jim’s notes are good for the woman to borrow.
D．The woman should have come to the lecture earlier.
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