The Olympic Games are held _____.
| A．for four years | B．each four year |
| C．every four years | D．every fourth year |
Energy, passion and a burning desire are, you see, ________ true learning takes.
| A．that | B．what | C．how | D．which |
—Where did you come across our Chinese teacher?
—It was in the supermarket ________ I purchased mooncakes.
| A．that | B．which | C．where | D．when |
With Father’s Day around the corner ,I have taken some money out of the bank ______ presents for my dad.
| A．buy | B．to buy | C．buying | D．to have bought |
The idea of traveling abroad really a lot of Chinese people. That’s why every year witnesses more people applying for passports.
| A．takes to | B．caters to | C．attends to | D．appeals to |
We are confident that the environment ______ by our further efforts to reduce pollution.
| A．had been improved | B．will be improved |
| C．is improved | D．was improved |