1 They will lose their way if they(not have)........ a map 2 If students do not throw plastic bags anvmore our school yard( clean)..... 3 If Lan(not have)...... a bicycle, she will not go camping with us 4 If the students(attend)..... Quang Trung school, they will have to wear uniform II 1 Shall we use gas instead of burning coal? -> I suggest................................................ 2 Tom failed the exam because of his laziness -> Because Tom......................................... 3 She planted that tree five years ago. -> That tree............................................... 4 People have used the Internet all over the world -> The internet

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