---Where is your grandpa?
---He _________ Canada and __________ Toronto for a month.
| A．has been to, has been in | B．has gone to, has been in |
| C．has been in, has been to | D．has gone to, has been to |
My schoolwork is better than ______.
A. she B. her C. Hers
There are _______ people in the hall.
A. hundred of B. hundreds of C.three hundreds
Humans will have ______ fresh air in10 years than now．
| A．much less | B．much |
| C．very little | D．fewer |
---____ are you going to keep healthy? ---I’m going to exercise more.
A. How B. When C. What
–What about playing tennis this Sunday?-- _____. Anything is OK.
A. I like it.
B. I don’t mind.
C. I can’t stand it.