______of the water_____polluted. We must try to protect our environment.
| A．Two third; are | B．Two third ; is |
| C．Two thirds; are | D．Two thirds ; is |
-How long does it_______ you to ride a bike to school?
-About 20 minutes.
| A．make | B．take |
| C．cost | D．give |
Students in our school have a class meeting_______3 p.m_______ every Tuesday.
| A．at;／ | B．on; on |
| C．in; on | D．at; on |
-Would you like the chocolate cakes?
-Yes, I will take_______.
| A．it | B．them |
| C．him | D．her |
The boys in Sunshine Middle School often play_______ football in_______ afternoon.
| A．/; an | B．the; an |
| C．/; the | D．a; the |
-Happy birthday!
-_______.
| A．It's OK. | B．The same to you! |
| C．Yes. | D．Thank you! |