Water pollution in the city( ) to be a main item on the agenda.
A. scheduled
B. schedules
C. is scheduled
D. is scheduling
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Bob was sort of tired ( )he finished the job.
A. because
B. when
C. although
D. while
( )so hard a task, we must try our best to fulfil it.
A. Faced to
B. Facing with
C. Faced with
D. Facing to
My cat would not have bitten the toy fish ( )it was made to rubber.
A. if she has known
B. had she known
C. she should have known
D. if she knew
You have not forgot what the teacher asked us to do for the homework, 1?
A. didnt you
B. havent you
C. did you
D. have you
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