II. Đặt Hỏi câu hỏi với Why và trả lời với Because: 0. we/ brush our teeth after meals?// want to have healthy teeth.  Why do we brush our teeth after meals? – Because we want to have healthy teeth. 1. he/ be scared?// hate the sound of the drill  .............................................................................................. 2. children/ often have toothache?// eat lots of candy  .............................................................................................. 3. you/ be late for class yesterday?// miss the first bus  .............................................................................................. 4. her tooth/ hurt?// have a cavity  .............................................................................................. 5. they/ not come to the meeting last night?// be busy  ......................................................................................