Bài tập 5 Looking back sgk tiếng anh lớp 9 tập 2 trang 16

5. Complete the sentences with your own ideas. Use the modal verbs provided.
(Hoàn thành những câu sau với ý kiến riêng của bạn. Sử dụng động từ khuyết thiếu cho sẵn.)
Gợi ý:
1. If you keep eating fast food, you might become overweight.
2. If you promise to finish your homework tonight, you can go to the cinema with your friend.
3. He should eat less sweets if he doesn’t want to have toothache.
4. She must eat less rice and bread if she wants to lose weight.
5. If you join this cooking lesson, you can cook many delicious dishes.