lớp 6 thoi ạ giúp 1, I (see) ___________ a car accident while I (wait) ________ for you on this corner yesterday 2, Mr.John (be)_________ principal of
lớp 6 thoi ạ giúp 1, I (see) ___________ a car accident while I (wait) ________ for you on this corner yesterday 2, Mr.John (be)_________ principal of our school since last year 3, Mr.Smith (teach) __________ at this school since he (graduate) ________ in 1980 4, My father (not watch) ____________TV every night 5, I … Đọc tiếp