The boy studies very hard. He always pay attention to___ to his teachers in class.
| A．listen | B．listens | C．listening | D．to listen |
相关试题
We should do we can those e ndangered animals.
| A．that ; to save | B．which; save |
| C．that; save | D．what; to save |
Which of the following signs can be seen on the door of a shopping center?
A． |
B． |
C． |
D． |
The boy is busy ________ tomorrow’s lesson.
| A．worked on | B．preparing for |
| C．to work for | D．getting preparing to |
Hurry up! The match for ten minutes.
| A．has begun | B．had begun |
| C．has been on | D．began |
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