题目内容

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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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

-I got an A in Physics. -().
A: Don't worry about it
B: Congratulations! That's a difficult course
C: You are very good
D: Good luck to you!

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A: Sorry, I don't know, either
B: Joe is a boy's name
C: Of course, I'm Joe
D: This word means Joe

They had succeeded ()the task in time.
A: at completing
B: to complete
C: in completing
D: complete