When _________ the office, I found the naughty boy _________ beside my desk, trembling.
| A．entered; standing | B．entering; stood |
| C．entered; stood | D．entering; standing |
_______ we are sure about is the need to prevent children from being spoiled.
| A．What | B．Which | C．Whether | D．That |
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 |