( ) (3) 当你想问别人这是什么的时候, 应说:A. What are you doing ? B. What are you work ? C. What is this?
( ) Nowadays science and technology _______ so rapidly.
( ) My dictionary _______,I have looked for it everywhere but still _______ it.
( ) Isshe _______ something?
( ) --- _______ are you eating? --- I’m eating _______ meat.
( ) Listen!She _______ in the classroom.