My son is_____a book in his room.
| A．looking at | B．watching | C．reading | D．seeing |
Your help made __________ for me to work out this problem.
| A．it easily | B．it easy |
| C．that easily | D．that easy |
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 |