The cleaners must prevent the street _____.
| A．from getting dirty | B．to dirty |
| C．to get dirty | D．getting dirty |
相关试题
You ______ drive your car so fast. It’s very dangerous.
| A．shouldn’t | B．couldn’t | C．mustn’t | D．needn’t |
—______？
—I have a headache and I don’t want to eat anything.
| A．How is everything? |
| B．What can I do for you? |
| C．What’s the matter with you? |
| D．How do you like it? |
Which of the following signs can you see on the door of a shopping mall?
A． |
B． |
C． |
D． |
—Lily, could you please pass me the ______? I want to cut the apple.
—Sure, here you are.
| A．pen | B．pencil | C．knife | D．book |
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