_______ you use your dictionary often, your spelling will improve.
| A．Whether | B．If |
| C．Though | D．While |
His mother says, “Listen to me __________. Make sure to be __________ with matches.”
| A．careful; careful | B．carefully carefully |
| C．careful; carefully | D．carefully; careful |
It's the first time for meAmerica.
| A．to go | B．go to | C．going to | D．to go to |
Could you tell me when ___________?
| A．the train will arrive | B．does the train arrive |
| C．did the train arrive | D．will the train arrive |
-Lily, are you ________ than Lucy?
-- I guess so. But I’m smarter than Lucy, and I’m ________ of the two.
| A．more serious; quieter | B．seriouser; quieter |
| C．more serious; the quieter | D．seriouser; the quieter |
It takes ________ half an hour ________ on foot.
| A．my, to get to school | B．me, going to school |
| C．my, going to school | D．me, to get to school |