问题
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A.It is about to start raining.B.The rain will stop soon.C.It has been r
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—How long will your trip take? —_______A.It’will start tomorrow.B.It has two days.C.It
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Your ship is dead in the water with the rudder amidships.As the right-handed screw starts
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The engine will fail to start unless _____.A.the pressure of the starting air is high enou
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The show () by the time we arrive at the theatre. A. has started B. will start C. s
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As the ship is loaded, it will sink deeper and deeper into the water, but only sink deep e