_____ useful advice she gave you! You should listen to her.
I believe that there will be _____ pollution and _____ trees.A. fewer; more B. less; more C. fewer; fewer
--- Would you please tell me_____ the timetable (时间) has changed?--- Because the students should have a rest at noon.A. if B. when C. why
If it_____ sunny tomorrow. I___ fishing.A. is; go B. will be; go C. is; will go
The teacher told us that it was a good habit ___ in every class .
— What did you do on April Fool’s Day?— I played a trick my brother.