— Don’t ______ this old man. It’s not polite.
— Sorry, we won’t do that again.
| A．end up | B．laugh at | C．make up | D．give up |
— Don’t ______ this old man. It’s not polite.
— Sorry, we won’t do that again.
| A．end up | B．laugh at | C．make up | D．give up |
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