()average women live longer than men.
A: By
B: In
C: On
D: From
第1题
Last year Mike earned ( )his brother, who has a lower position.
A: twice as much as
B: twice as many as
C: twice than
D: twice as more as
第3题
( )yesterday, I would have asked him not to do that.
A: Provided he came
B: if he came
C: If he had come
D: Has he came
第4题
By 2050 the level of industrial pollution ( )dangerous levels in many cities.
A: will have reach
B: will has reached
C: will have reached
D: will reach
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