单项选择题

In dry weather the farmers who live higher up the valley ______.

A．share the water with their neighbours
B．keep all the water for themselves
C．build canals across the fields of other farmers
D．work hard to store water

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热门试题

单项选择题

A reservoir is used ______.

A．to keep the fields wet
B．to store water
C．to join canals
D．to prevent farmers from getting water

单项选择题

In which year was aspirin first sold

A．This year.
B．1899.
C．1915.
D．The 19th century.