IV. Đặt câu hỏi và viết câu trả lời với Why ...? Và Because ... .
Ex: Minh/ go to the dentist?// have a toothache
Why does Minh go to the dentist? Because he has a toothache.
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
6. she/ go to the doctor?// have a headache
7. Minh/ not say anything/ yesterday?// be very nervous
8. we/ brush our teeth after meals?// want to have healthy teeth