Rewrite sentences without changing the meaning
You don’t have to wear astronaut outfits on Space Day.
A. You mustn’t wear astronaut outfits on Space Day.
B. You needn’t wear astronaut outfits on Space Day.
C. You couldn’t wear astronaut outfits on Space Day.
D. You couldn’t wear astronaut outfits on Space Day.
Đáp án B
Giải thích: động từ khuyết thiếu “have to V”: phải làm gì
Dịch: Bạn không phải mặc đồ phi hành gia vào ngày lễ không gian