单项选择题

A．Recycling trash.
B．Saving our planet.
C．Using water sparingly.
D．Cleaning the ground.
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单项选择题
A．A red car.B．A ride to work.C．A job in the factory.D．A car part.
A．A red car.
B．A ride to work.
C．A job in the factory.
D．A car part.
单项选择题
A．Offer the woman a cigar.B．Turn on the electric fan.C．Air out the room.D．Extinguish his cigarette.
A．Offer the woman a cigar.
B．Turn on the electric fan.
C．Air out the room.
D．Extinguish his cigarette.
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