单项选择题

He asserted that nuclear power was a safe and non-polluting energy source.（）

A. maintained
B. recommended
C. considered
D. acknowledged

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单项选择题
I got a note from Moira urging me to get in touch.（）

A. instructing
B. pushing
C. notifying
D. inviting
单项选择题
Anderson left the table, remarking that he had some work to do.（）

A. doubting
B. thinking
C. saying
D. knowing
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