Jack’s house has been broken into twice and now he takes________ against theft
at any time.
| A．risks | B．chances | C．turns | D．precautions |
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 |
The companies are working together to create _____they hope will be the best means of transport in the 21st century.
| A．which | B．that | C．what | D．Who |