He was told that it would be at least three more months ______he could recover and return to work .
| A．when | B．before | C．since | D．that |
They ___ the game.
| A．are disappointed at losing | B．disappoint |
| C．are disappointing | D．are disappointed |
_____ in all parts of the state, pines are the most common trees in Georgia .
| A．Found | B．Finding them | C．To find them | D．They are found |
---____ the paper ?
--- No, I have still got one page to finish.
| A．Have you done | B．Do you do | C．Did you do | D．Had you done |
---What are you busy with ?
--- We are carrying out a research ____ the causes of cancer.
| A．into | B．onto | C．to | D．in |
– Jack?
-- ____.
| A．Present, Sir. | B．I am, Sir | C．Here, Sir | D．Yes, Sir. |