单项选择题

For years he struggled ______ as a teacher, an agent and the president.

A. in turns
B. by turn
C. out of turn
D. on the turn
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单项选择题
You are too emotionally involved in that situation to be ______ about it.
A. optimistic
B. subjective
C. objective
D. pessimistic
单项选择题
A window in the kitchen was ______; there was rubbish everywhere, and the curtains and carpets had been stolen.
A. scattered
B. scraped
C. scratched
D. smashed
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