—Have you found your lost book_____?
—No, I haven’t.
A.already B. yet C. just
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 .
| A．to take notes | B．take a note |
| C．take notes | D．to take note |
— What did you do on April Fool’s Day?
— I played a trick my brother.
| A．on | B．to | C．with | D．at |