John was not here yesterday. Perhaps he was ill

49/50

Mark the letter A, B, C or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

John was not here yesterday. Perhaps he was ill

John needn't be here yesterday because he was ill

Because of his illness, John should have been here yesterday

John might have been ill yesterday, so he was not here

John must have been ill yesterday, so he was not here

Giải thích

Đáp án C

Câu đề bài: John không có ở đây hôm qua. Có lẽ anh ấy ốm

Ta có: might have + Ved/3: có lẽ đã xảy ra điều gì trong quá khứ

=> Đáp án D – đáp án thích hợp

Các đáp án khác đều k thích hợp 

A – Anh ấy không cần ở đây hôm qua vì anh ấy ốm

B – Vì anh ấy ốm, John lẽ ra ở đây hôm qua

D – John chắc hẳn ốm ngày hôm qua, vì vậy anh ấy không ở đây