Without the air to hold some of the sun’s heat,the earth at night   .
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A
would be freezing cold
B
will be freezing coldly
C
would be frozen cold
D
can freeze coldly
推荐题目
 Without electricity human life ________ quite different today. 
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A
is
B
will be
C
would have been
D
would be
All of them felt it necessary that they______ __the meeting
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A
attend
B
would have attended
C
attended
D
were to attend
I don’t think he_______ a new bike. 
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A
need to buy
B
needs buy
C
need
D
need buy