—Do you have enough to all your daily expenses?
—Oh yes, enough and to spare.
| A．cover |
| B．spend |
| C．fill |
| D．offer |
The discussion ________ alive when an interesting topic was brought in.
| A．was coming | B．had come |
| C．has come | D．came |
My mind wasn't on what he was saying，so I'm afraid I ________ half of it.
| A．was missing | B．had missed |
| C．will miss | D．missed |
All the preparations for the task ________，and we're ready to start.
| A．completed | B．complete |
| C．had been completed | D．have been completed |
Selecting a mobile phone for personal use is not an easy task because technology ________ so rapidly.
| A．is changing | B．has changed |
| C．will have changed | D．will change |
Visitors ________ not to touch the exhibits.
| A．will request | B．are requested |
| C．are requesting | D．request |