The Changjiang River is one of __in the world.
A. the longest river B. the longest rivers
C. the longer river D. longest river
It’s dark(黑的) now, and I can’t see anything–The light is behind the door, you can __________
A. open it B. turn on it
C. turn it off D. turn it on
I’m not full. Could I have ____________ cake?
A. other B. the other
C. another D. the another
–__________do you exercise? – I exercise three times a week.
A. How often B. How many days
C. How usually D. How much
_______the party, we sang a song together.
A. In the end B. At the end
C. In the end of D. At the end of
The students want to ask for ____________off.
A. ten day’s B. ten days
C. ten-days’ D. ten days’
