We won't have a seat unless we book in advance.
Câu hỏi: We won't have a seat unless we book in advance.
A We can't have a seat although we book in advance.
B We won't have a seat if we don't book in advance.
C We will have a seat if we don't book in advance.
D We didn't have a seat because we didn't book in advance.
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Anh Trường THPT Đoàn Thượng - lần 1 - năm 2017( có lời giải chi tiết)