—Where is Mark?—Look, he ___________ in the garden.A. ran B. is running C. runs
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)