—What do you think of water?
—It is very ____ in our daily life. We can’t live without it.
A. dangerous B. important C. large
Look at the sign! It says: You______ park your cars here.
| A．mustn’t | B．needn’t |
| C．shouldn’t | D．can’t |
Dear students, please read every sentence carefully. ______you are, ______mistakes you’ll make.
| A．The more carefully, the fewer |
| B．The more careful, the less |
| C．The more carefully, the less |
| D．The more careful, the fewer |
All the students are talking and laughing in the classroom and it’s ______.
| A．noisy | B．lonely |
| C．quiet | D．strict |
Mary takes a lot of exercise every day and she is always full of_______.
| A．knowledge | B．energy |
| C．change | D．damage |
The bus driver always says to us: “Don’t get off ______ the bus stops.”
| A．when | B．while |
| C．until | D．if |