— ______ silent, please! You are in the library.
—I’m sorry, madam.
| A． |
Keep |
B． |
To keep |
C． |
Keeping |
D． |
Kept |
相关试题
He often ______ basketball, but seldom ______ volleyball.
| A．play; play | B．plays, play |
| C．plays; plays | D．play; plays |
_____ your sister good at _______?
| A．Is; dance | B．Are; dance |
| C．Is; dancing | D．are; dancing |
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