John was not here yesterday. Perhaps he was ill.
Câu hỏi: John was not here yesterday. Perhaps he was ill.
A John needn't be here yesterday because he was ill.
B Because of his illness, John should have been here yesterday.
C John might have been ill yesterday, so he was not here.
D John must have been ill yesterday, so he was not here.
Câu hỏi trên thuộc đề trắc nghiệm
- 30 bài tập Kết hợp câu: Mức độ thông hiểu - phần 2 (có lời giải chi tiết)