Unit 6 test 1234567891011121314151617181920Ⅰ单项选择 每小题1.5分 共30分1. I _____ never _____ late for school by the end of last term.A had ; been B have ; be C have ; beeing D have ; been 2.—Where is Jim? Do you know , Mary? ----Oh , he and his father ____ to Hainan island. He ___ there twic..