单项选择题

Passenger ships and ______ are often equipped with ship-to-shore or air-to-land radio telephones.

A. aircrafts
B. aircraft
C. the planes
D. also the planes
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______ it left to me to decide, I would not hesitate to prefer the latter.
A. If

B. Were

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______, we shall go out for a picnic on Monday.
A. Weather permits


B. Weather permitted
C. Weather permitting

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