下列句中划线词的解释不正确的一项是

with a bill for $10,000, _______.

There are ________ approaches to English teaching.But not all of them are equally efficient forour Chinese students. [ ]

Sally left home, her motherkept telling her to ________ her manners at the party.

Mr. Black is our English teacher. He ______ in our school since 2011.