Write advice for the following situations, using have to. Then tell a partner your advice (Viết lời khuyên cho các tình huống sau, sử dung have to. Sau đó nói với bạn cùng nhóm lời khuyên của bạn) 1. Tell your sister to stop smoking. 2. Tell your father to go on a diet. 3. Tell your friend to stop watching so much TV. 4. Tell your brother to get more exercise. 5. Tell your mother to get more sleep