Are home robots more expensive than doctor ones?

A. Are doctor robots more expensive than home ones?

B. Are doctor robots less expensive than home ones?

C. Are home robots as expensive than doctor ones?

D. Are home robots as expensive than doctor ones?

Đáp án
B. Are doctor robots less expensive than home ones?

Câu hỏi thuộc Bài tập:

Tiếng Anh 6 Global Success - Unit 12 (Robots): Writing