Your sister has lost an awful lot of weight. She must have been on a diet,_________?
Câu đề bài: Chị gái của bạn đã giảm được rất nhiều cân. Cô ấy phải có chế độ ăn kiêng, ___________?
Đáp án D: cấu trúc câu hỏi đuôi
Câu hỏi đuôi với “must”chỉ sự dự đoán về quá khứ (must + have + done sth).
—» Dùng have/has trong câu hỏi đuôi.
Chọn D
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.