Your sister has lost an awful lot of weight. She must have been on a diet, ______?
Kiến thức: Câu hỏi đuôi
Giải thích:
Câu hỏi đuôi với “must” có nhiều cách dùng.
Nếu “must” chỉ sự dự đoán ở quá khứ (trong công thức must + have + p.p) : => dùng have/has trong câu hỏi đuôi
Tạm dịch: Em gái bạn sụt rất nhiều cân. Cô ấy chắc hẳn đã ăn kiêng, đúng không?
Chọn D
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The scientists _____ on this project try to find the solutions to air pollution.
He sent his children to the park so that he could have some______.
It’s about time Mrs. Richard apologized to me _____ me a gossip in front of everybody.
Although he _____ to Ernest Hemingway, I think his books are unique.
I'm sorry because I've lost the key to the drawer ________ all the important papers are kept.
______ irritating they are, you shouldn’t lose temper with small children.
I suppose I found it hard at my new school because I just _____ to the situation.
Kate didn’t enjoy the roller coaster ride because it was________ experience of her life.
I would rather Jane ______ my brother so much money when he asked for. I know for sure that I will have to pay his debt.