单项选择题

The small machine for______coffee beans is quite expensive.

A. breaking
B. grinding
C. splitting
D. crashing
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______a fine day, the Stones decided to go to the beach for a picnic.
A. What
B. Being
C. Having been
D. It being
单项选择题
Rumor______it that the young man has been nominated for the Nobel Prize.
A. has
B. learns
C. carries
D. spreads
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