单项选择题

He expressed concern that the ship might be in danger.

A. worry
B. difficulties
C. need
D. danger
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He is always here; it' s surprised you've never met him.
A. unique
B. strange
C. rare
D. particular
单项选择题
I started to be in favor of his plan on this issue.
A. support
B. refuse
C. agree
D. disagree
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