—How about the pollution in the countryside?
—Luckily, it's not as serious as _______ in the big cities.
| A．that | B．it | C．one | D．those |
The photo reminds him__his old grandma.
| A．in | B．at | C．of | D．with |
My best friend Alex failed in the maths competition. I’d like to _________.
| A．dress him up | B．pick him up |
| C．cheer him up | D．get him up |
It’s creative _______ you _______ this good idea.
| A．of; to come up with | B．for; to come up with |
| C．of; think of | D．for; to think of |
We all know that learning a foreign language ______ time and effort.
| A．requires | B．reduces |
| C．removes | D．repeats |
He devoted as much time as he could _________ English.
| A．teach | B．to teach |
| C．to teaching | D．teaching |