()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1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
第2题
Tom has to work ( )his classmates since he is less clever.
A: twice as hard as
B: twice as hardly as
C: twice hard than
D: twice as harder as
第3题
They had succeeded ( )the task in time.
A: at completing
B: to complete
C: in completing
D: complete
第4题
Sixty million people who ( )in rural areas are moving to cities every year.
A: lived
B: lives
C: living
D: live
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