Dùng have to và những từ trong câu khẳng định để hoàn thành các câu hỏi sau. Vi du: Sabine has to leave now. Why does Sabine have to leave now? a. Eric had to lie (nói dối), » Why b. Mum has to buy three tickets. » How many c. I have to go to Los Angeles tomorrow. »>Where d. They will have to change their car. » Why e. Clara didn't have to go to school yesterday. ▶ When Hướng dẫn Nhà thôm trợ động từ phù hợp theo thị trong cầu