Sally paid for her travel in advance, but I'...
Câu hỏi: Sally paid for her travel in advance, but I'm not sure.
A. Sally needn't have paid for her travel in advance
B. Sally should not have paid for her travel in advance
C. Sally may not have paid for her travel in advance
D. Sally couldn't have paid for her travel in advance
Câu hỏi trên thuộc đề trắc nghiệm
24 ĐỀ THI THỬ THPT QUỐC GIA NĂM 2019 Môn thi: TIẾNG ANH !!