单项选择题

I am not certain whether he will come.

A．determined
B．sure
C．sorry
D．glad
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The people of Kiribati worry that one day their country will be taken away by a sudden high tide.
A．Right
B．Wrong
C．Not mentioned
单项选择题
The coral island nations of the Pacific have a long history of civilization.
A．Right
B．Wrong
C．Not mentioned
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