---Where is the TV room? --- It’s on the _____ floor. A. one B. first C. two
Look ! Mingming is _______football. A. play B .playing C. plays
They ______do morning exercises at home. A. not B. don’t C.didn’t
Do you skip ______ the playground? A. in B. at C. on
What time does school？ A. begins B. starts C. start
选出错误的一项，把错误的选项序号填在括号内，并在横线上改正过来。（每空1分，共10分）
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