Not until _____,_______the diffiult problem.
| A．did he return;we settled | B．he returned;we settled |
| C．did he return,did we settle | D．he returned;did we settle. |
Every year，Tom remembers to have some flowers________to her mother on her birthday.
| A．send | B．sent |
| C．sending | D．being sent |
With the world changing fast，we have something new________with all by ourselves every day.
| A．deal | B．dealt |
| C．to deal | D．dealing |
—Our women athletes achieved great success in the Vancouver Winter Olympic Games.
—Yes.No one could perform________，I think.
| A．well | B．better |
| C．best | D．the best |
—Did you have a good night’s sleep，sir?
—Oh，exactly.It was such a comfortable bed.I could never have________sleep.
| A．a good | B．the best |
| C．a better | D．a best |
I have a lot of readings________before the end of this term.
| A．completing | B．to complete |
| C．completed | D．being completed |