There was no one else at the post office. I_______...

Câu hỏi: There was no one else at the post office. I_________in a queue.

A didn't need to wait           

B mustn't wait                        

C needn't have waited          

D needn't to wait

Câu hỏi trên thuộc đề trắc nghiệm

- Unit 5. tiếng Anh 12 Có lời giải chi tiết