He ______ the plants. If he had, they wouldn’t have died.
A. needn’t have watered
B. can’t have watered
C. shouldn’t water
D. must have watered
can’t/ couldn’t + have + V_ed/pp: không thể nào đã xảy ra trong quá khứ
>< must + have + V_ed/pp: ắt hẳn đã xảy ra
needn’t have + V_ed/pp: đáng lẽ không phải làm nhưng đã làm
Tạm dịch: Anh ta đã không tưới cây. Nếu anh ta đã tưới thì chúng sẽ không thể nào chết được.
Chọn B
Smoking is extremely detrimental to health, _____ many people continue to smoke anyway.
Many years ago, black children were _____________ to discrimination in many schools.
The authorities recommend that the meeting _____________ next Monday.
Her husband is very kind. He always cares _____ her and never puts all of the housework her.
As a small boy, he used to _______ alone in the house for an hour or two.
The archaeological excavation _____ to the discovery of the ancient city lasted several years.
Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
We decided to spend ______ summer in ______ seaside town.