单项选择题

Salt is a substance that () in water.

A. dissolve easy
B. dissolve easily
C. dissolving very easy
D. dissolves easily

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单项选择题
A member of Parliament has to spend a great deal of time answering letters from his().

A. candidates
B. patriots
C. constituents
D. selectors
单项选择题
What are they talking about().

A. Shopping.
B. Taking a vacation.
C. Visiting a friend.
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