We have been good friends __________ we joined the music club.
A. before B. since C. until
I don’t think _______ Maths is easy.
| A．that | B．if |
| C．whether | D．why |
Thanks for _________ the new chairperson.
| A．recommend me as |
| B．recommending me as |
| C．recommend me to |
| D．recommending me for |
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 |
The boy looks nice ________ white and the red sweater looks good ________ the girl.
| A．with; on | B．in; on |
| C．on; in | D．in; with |