单项选择题

A. Educators are preparing a 14-year education program for Africa.
B. Educators are preparing a 15-year education program for Africa.
C. Educators are preparing a 50-year education program for Africa.
D. Educators are preparing a 40-year education program for Africa.
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单项选择题
A. They should drive less and take public transportations.B. They should use more copy paper. C. They should buy those overpacked products.D. They should shorten the time of using computers.
A. They should drive less and take public transportations.
B. They should use more copy paper.
C. They should buy those overpacked products.
D. They should shorten the time of using computers.
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