Claire had her luggage ___an hour before her plane left
| A．check |
| B．checking |
| C．to check |
| D．checked |
-What did you think of ______ president?-I didn’t care for him at first，but after ____ time I get to like him.
| A．the； a | B．/； the | C．the； the | D．/； a |
How pleasant the picture is to _______！
| A．be looked | B．for looking at | C．looking at | D．look at |
In the 16-19 age group，32 of women smoke ______ 28 of men.
| A．comparing to | B．comparing with |
| C．compared to | D．compare with |
I’ll give the prize to _______ finishes the work first.
| A．whomever | B．whoever | C．who | D．anyone |
When he was a little boy，he ______ on the farm.
| A．used to working | B．used to work |
| C．got used to work | D．was used to work |