单项选择题

Though he views himself as a realist, Michael says that his findings make him very ______ about future.

A. optimistic
B. objective
C. precautious
D. sympathetic
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单项选择题
Returning to my apartment ______.
A. my watch was missing
B. I found my watch missed
C. I found my watch missing
D. the watch was missed
单项选择题
We have a high regard for Prof. Joseph because he always ______ his principles.
A. lives on
B. lives up to
C. lives through
D. lives with
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