We put the letter in ______ .A. a postcard B. an envelope C. a stamp
( ) 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.