单项选择题

A．Monitor students’’ sleep patterns.
B．Help students concentrate in class.
C．Record students’’ weekly performance.
D．Ask students to complete a sleep report.
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单项选择题
A．Because many people lived in poverty.B．Because there were many road accidents.C．Because there was no advanced medicine.D．Because a woman has many children.
A．Because many people lived in poverty.
B．Because there were many road accidents.
C．Because there was no advanced medicine.
D．Because a woman has many children.
单项选择题
A．Everything is OK.B．Things look good.C．Things look as if the work is over.D．No change is in sight.
A．Everything is OK.
B．Things look good.
C．Things look as if the work is over.
D．No change is in sight.
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