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
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2. children/ often have toothache?// eat lots of candy
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3. you/ be late for class yesterday?// miss the first bus
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4. her tooth/ hurt?// have a cavity
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5. they/ not come to the meeting last night?// be busy
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