- What's wrong with you, Madam?
- I've lost my valuable painting. But a week had gone by _______ I knew it was missing.
| A．while | B．since | C．until | D．before |
Look at this pair of shoes, would you like to _________
| A．try it on | B．try them on |
| C．try on it | D．try on them |
Doctor Fang has devoted all her time to _______ the patients.
| A．helping | B．helps | C．helped | D．help |
---Mr Wu, who will be the new monitor of our class?
---well, I haven’t decided. _______Suzy _______Millie, who is more suitable?
| A．neither, nor | B．either, or |
| C．both, and | D．not only, but also |
Daniel is good at all the subjects ,but he never shows off, he is really _________
| A．creative | B．generous |
| C．modest | D．energetic |
In old days, the bosses often made the workers __________ for long hours.
| A．to work | B．worked |
| C．work | D．working |