This dress is prettier, but it costs ______ that one.
| A．twice more than | B．twice as much as |
| C．as much twice as | D．twice so much as |
The news _____our athletes won another gold medal was reported in yesterday’s newspaper.
| A．which | B．whether | C．what | D．that |
It has been proved ___ eating vegetables in childhood helps to protect you against serious illnesses in later life.
| A．if | B．because | C．when | D．that |
As his best friend , I can make accurate guesses about ___he will do or think.
| A．what | B．which | C．whom | D．That |
People in Chongqing are proud of_______they have achieved in the past ten years.
| A．that | B．which | C．what | D．How |
The last time we had great fun was _____ we were visiting the Water Park.
| A．where | B．how | C．when | D．why |