We have been in No. 7 Middle School ____ three years. A. since B. in C. for
_________ carefully he studies! He feels like_______ math.
Bill had to get into his house ___________the window because he left his key in the office.
—I often see you _______ in the park, why? —I’m too fat. I want to make myself _______.
His parents often tell him _________much time _______computer games.
—Could you _________me your pen, please? —sorry, I am using it. You can ________it from Jack.