1 Did Mary this beautiful dress? 2 I won't hang these old pictures in the living room 3 The German did't build this factory during the Second World War 4 The Greens are going to paint this house and these cars for Christmas Day 5  Ann had fed the cát before she went to the cinema 6 The students have discussed the pollution problems sice last week 7 Have the thieves stolen the most valuable painting in the national museum? 8 Some people will interview the new president on TV 9 How many languages do they speak in Canada? 10 Are you going to repair those shoes? 11 He has broken his nose in a football match

Phương pháp làm:
- Đọc câu hỏi kỹ để hiểu ý nghĩa và thì của câu.
- Xác định thì của câu (quá khứ, hiện tại, tương lai).
- Sử dụng động từ trong ngoặc đơn ở dạng đúng và thì đúng để hoàn thành câu.

Câu trả lời:
1. Did Mary wear this beautiful dress? / Did Mary put on this beautiful dress?
2. I won't hang these old pictures in the living room.
3. The Germans didn't build this factory during the Second World War.
4. The Greens are going to paint this house and these cars for Christmas Day.
5. Ann had fed the cat before she went to the cinema.
6. The students have been discussing the pollution problems since last week.
7. Have the thieves stolen the most valuable painting in the national museum?
8. Some people will interview the new president on TV.
9. How many languages do they speak in Canada?
10. Are you going to repair those shoes?
11. He has broken his nose in a football match.

1. Yes, Mary did buy this beautiful dress.

1. No, Mary didn't buy this beautiful dress.