–Did you go to the show last night–Yeah. Every boy and girl in thearea_____invited.

You said boys were cleverer than girlsThat is _______ I disagree

John had planned to make a compromise， but he changedhis mind at the last minute

Why didn’t you tell me the news of the meeting?—I knew nothing about it, or I _______ you.[ ]

Teachers should _____ fundamentals and difficult points in order to enable students toacquire newmaterial. [ ]