A．ThroughB．AgainstC．WithD．On
A. Through
B. Against
C. With
D. On
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Without the air to hold some of the sun's heat, the earth would be______on at night.
A. very cold for us to live
B. so cold to us living
C. too cold for us to live
D. rather cold of us live
Which of the following is NOT needed for a young man to be happy？
A. Hard work
Being free from trouble
C. Wealth
D. Health
A．streetsB．crowdsC．passengersD．city
A. streets
B. crowds
C. passengers
D. city
You can stay here ______you keep quiet.
A. as long as
B. unless
C. in case
D. in order
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