Use the given words or phrases to make a complete sentence.

why / people / have / move / other / planets?

Why have people move to other planets?Why do people have to move to other planets?Why people have to move other planets?Why do people have move to other planets?Hướng dẫn giải:

Câu hỏi bắt đầu bằng “Why” → dùng “do/does” (trợ động từ) nếu chủ ngữ là “people” (số nhiều).  

“have to + V” → cấu trúc đúng: have to move (phải di chuyển)

Câu đầy đủ: Why do people have to move to other planets?