单项选择题

A．They could drive the insects away.
B．They could keep the plants well watered.
C．They could build devices to trap insects.
D．They could make the plants grow faster.
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单项选择题
A．Take courses with a lighter workload.B．Drop one course and do it next semester.C．Do the assignments towards the end of the semester.D．Quit the history course and choose another one instead.
A．Take courses with a lighter workload.
B．Drop one course and do it next semester.
C．Do the assignments towards the end of the semester.
D．Quit the history course and choose another one instead.
单项选择题
A．Freedom from the stress of working.B．Freedom from social regulations.C．Freedom from laws.D．Freedom from study.
A．Freedom from the stress of working.
B．Freedom from social regulations.
C．Freedom from laws.
D．Freedom from study.
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