21. Liz bought a hat and some pictures in the souvenir shop.
=> What did Liz buy in the souvenir shop?
22. They returned to Ha Noi by train.
=> How did they return to Ha Noi?
23. Hoa's new dress is green.
=> What is the colour of Hoa's new dress?
24.We were at home last night.
=> Where were you last night?
25. Nam visits his grandparents twice a week.
=> How often does Nam visit his grandparents?
26.The Robinsons went to Nha Trang last summer.
=> When did The Robinsons go to Nha Trang?
27. I had lunch with my friend yesterday.
=> Who did you have lunch with yesterday?
28. Mrs. Lan's children are watching TV in the living-room.
=> What are Mrs.Lan's children doing in the living-room?
29. It's ten kilometers from my uncle's house to Tri Nguyen aquarium.
=> How far is it from your uncle's house to Tri Nguyen aquarium?
30. Lien didn't go to school last Monday because she was tired.
=> Why did not Lien go to school last Monday?
cảm ơn pạn đã giúp mình có thể là đòi hỏi hơi quá nhưng pạn có thể giúp mình những bài khác nữa được ko