Bài 3: Choose the correct option for each gap in the sentences 25: Minh used to _____ his homework late in the evening. A. does B. do C. doing D. did 26: If people _________ the rules, there are no more accidents. A. follow B. take care of C. obey D. remember 27: You should _________ right and left when you go across the roads. A. see B. look C. be D. take 28: Hurry up or we can't _________ the last bus home. A. keep B. follow C. go D. catch 29: Lan used to go to school _________. A. with bicycle B. by foot C. on foot D. by bus 30: Public _________ in my town is good and cheap. A. transport B. tour C. journey D. travel