6. We were at home last night

=>Where were they last night?(hỏi địa điểm)

7. The party will start at seven o'clock in the morning

=>What time the party will start? (hỏi thời gian)

8. It’s four kilometers from our house to the post office.

=>What the length from our house to the post office?(hỏi độ dài)

9.It takes us an hour to travel to London from here.

=>How long it takes us an hour to travel to London from here?(câu hỏi thời gian)

10.there are a lot of stamps in your collection?(câu hỏi đúng/không)

11.Who are Linda’s younger sister visits once a week?(câu hỏi ai)