1, Viet lai cau sao cho nghia khong doi a, She started driving 1 month ago. =>She has.............. b,He hasn't travellet by air before. =>This is.......... c,We began eating When it started to rain. =>we have........ d,she is lazy so she can't pass the exam. =>if.......... e, Study hard or you won't pass the exam. =>if.............

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