I still remember the college and the teachers ________ I visited in London years ago.
| A．what | B．who | C．that | D．which |
He couldn’t hide his __________ at my success and said bad words about it.
| A．envy | B．wisdom | C．purity | D．power |
Are you going to __________ this challenge?（挑战）
| A．take up | B．take down |
| C．take off | D．take on |
You _______ pay too much attention to your reading skills, as it is so important.
| A．can’t | B．shouldn’t |
| C．mustn’t | D．needn’t |
Green represents________and nature. When you feel weak, you can wear green.
| A．sadness | B．purity |
| C．joy | D．energy |
--- Cross the road carefully, __________ you’ll keep yourself safe.
--- Thank you.
| A．so | B．or | C．but | D．and |