单项选择题

A．Lack of clean water.
B．Lack of electricity.
C．Shortage of experts.
D．Shortage of books.
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单项选择题
A．How to keep fit.B．Common diseases caused by vitamins.C．Vitamins and our health.D．Vitamin in different kinds of vegetables.
A．How to keep fit.
B．Common diseases caused by vitamins.
C．Vitamins and our health.
D．Vitamin in different kinds of vegetables.
单项选择题
A．His parents decided to get a rabbit later.B．His parents refused to get the rabbit.C．Bobby got the rabbit he asked for.D．Bobby happened to find a rabbit.
A．His parents decided to get a rabbit later.
B．His parents refused to get the rabbit.
C．Bobby got the rabbit he asked for.
D．Bobby happened to find a rabbit.
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