3. I'll leave Beijing for Guangzhou ____ a week, while my brother will leave Guangzhou for Beijing ____ our National Day.
| A．in, in | B．after, in | C．after, after | D．in, after |
My son wants to know if we can _____ John for the night, since he has lost all his money and can go nowhere．
| A．put off | B．put on | C．put up | D．put forward |
------ It's a long time _____ I last saw you．
------Yes, and it will be another month _____ we can meet again．
| A．before; when | B．when; since | C．since; while | D．since; before |
Alice was supposed _____ at home, but her mother found her surfing the Internet．
| A．studying | B．to be studying |
| C．to have studied | D．studied |
A good teacher must _____ to his students the importance of a proper learning method．
| A．get through | B．get across | C．get away | D．get over |
Please read the _____ on the bottle of the medicine carefully and pay attention to the amount and the time to take the medicine．
| A．explanations | B．instructions | C．introductions | D．descriptions |