He went into his room, the light and began to work.
| A．has turned on | B．turned off | C．turned on | D．has turned off |
Help others whenever you can _____you will make the world a nicer place to live in.
| A．and |
| B．or |
| C．but |
| D．unless |
—Mum , could you buy me a dress like this?
---- Certainly, we can buy _____ one than this, but ______this.
| A．a better; better than |
| B．a worse; as good as |
| C．a cheaper; as good as |
| D．a more important; not as good as |
With the money ______ he saved, he could go on with his education.
| A．it |
| B．what |
| C．this |
| D．that |
If you can’t decide which of the two books to borrow, why don’t you take _____?I won’t read them this week .
| A．all |
| B．either |
| C．both |
| D．neither |
It’s getting warmer and warmer, and _____ are turning green.
| A．tree leaf |
| B．trees leafs |
| C．trees leaves |
| D．tree leaves |