III:
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Trả lời câu hỏi dưới đây:
Staying in a hotel costs _______ renting a room in a dormitory for a week.
Đáp án là B. So sánh gấp bội: twice/ three times…. + as + adj/adv + as …