At school, some students are active ______ some are shy, yet they can be good friends with one another.
| A．while | B．although | C．so | D．as |
_______ 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 |
Not until recently _______ paid work outside the home.
| A．most mothers in Britain took | B．did most mothers in Britain take |
| C．took most mothers in Britain | D．were most mothers in Britain taken |