The program is like a window on the world ____ you sit by it and fix your attention on what it shows.
| A．if | B．as | C．while | D．unless |
Remember everybody you meet online is a stranger. So when you can’t see a person, they could be _________.
| A．everybody | B．somebody | C．anybody | D．nobody |
The Science Museum, ______we visited during a recent trip to Britain, is one of London’s attractions.
| A．which | B．what | C．that | D．where |
---Did you watch the basketball match yesterday?
---Yes, I did. You know, my brother_______ in the match.
| A．is playing | B．was playing | C．has played | D．had played |
--- Robert is indeed a wise man.
---Oh, yes. How often I have regretted_______his advice!
| A．to take | B．taking | C．not to take | D．not taking |
If you think that treating a woman well means always_______her permission for things, think again.
| A．gets | B．got | C．to get | D．getting |