The lake had ice on it this morning. It _____ very cold last night.
Đáp án A
Kiến thức về động từ khuyết thiếu
A. must have done sth: chắc hẳn đã làm gì
B. could have done sth: có thể đã làm gì
D. should have done sth: nên đã làm gì (nhưng thực tế đã không làm)
Tạm dịch: Hồ này có băng trên mặt nước vào sáng nay. Trời đêm hôm qua hẳn rất lạnh.
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.
Anna thinks she ought to go to the university, _______ she wants to get qualifications for her dream job.
The archaeological excavation _____ to the discovery of the ancient city lasted several years.