Do you mind if I take the seat next to yours— ______________. It hasn’t been taken yet.

Gary Locke , a Chinese-American, once______ as the governor of Washington for 8 years and now is U.SCommerce Secretary

Do you know what he was doing while _______

Sarah pretended to be cheerful，________nothing about the argument

Was it in 1997______he was still at middleschool_______ this boy became an expert at computer