单项选择题

A．It’s environmentally friendly.
B．It’s more efficient than other alternative fuels.
C．It doesn’t destroy the ozone.
D．It’s not economical to mass-produce.
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单项选择题
A．The new apartment is cheaper.B．She likes to listen to the radio.C．The present one is too expensive.D．She needs a quieter place.
A．The new apartment is cheaper.
B．She likes to listen to the radio.
C．The present one is too expensive.
D．She needs a quieter place.
单项选择题
A．Sit there and study.B．Get snacks for everyone.C．Shuffle another deck.D．Play a card game.
A．Sit there and study.
B．Get snacks for everyone.
C．Shuffle another deck.
D．Play a card game.
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