单项选择题

Poor health and lack of money may be both to educational progress roadblocks.

A. restraints
B. stains
C. scarcities
D. barriers
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单项选择题
She was sent a box of chocolates along with a letter saying she was fired.
A. killed
B. shot
C. dismissed
D. murdered
单项选择题
The policeman wrote down all the particulars of the accident.
A. secrets
B. details
C. benefits
D. words
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