It is not always easy for the public to see ________ use a new invention can be of to human life.
| A．whose | B．what |
| C．which | D．that |
Don’t be _______ by products promising to make you lose weight quickly.
| A．taken off | B．taken out | C．taken away | D．taken in |
_______ on earth is it _______ has eaten up all the leaves of these young trees in just
one night?
| A．What, that | B．Who, that | C．Why, which | D．How, that |
--- Perhaps John’s not in. --- _______. Look, the light is on.
| A．Yes, he can be at home. | B．No, he couldn’t go out |
| C．Yes, he must be at home | D．No, he needn’t go out |
___ delicious, some western foods are very inviting but not good for children’s health.
| A．Tasted | B．Tasting | C．To taste | D．being tasted |
Take care! Don’t get the oil on your clothes, for it _______ easily.
| A．doesn’t be washed out | B．isn’t washed | C．won’t wash | D．needn’t be washed |