Giúp em vs ạ 15. We haven't gone to a concert for ages. It's............................................................................ 16. Sarah hasn't seen her friends since she left for the United States. Sarah last................................................................................ 17.1 have never stayed in such an expensive hotel before. This is................................................................................

Phương pháp làm:

- Đầu tiên, xác định lại thời điểm cuối cùng của hành động trong câu gốc.
- Sau đó, sử dụng cấu trúc "It's + thời gian + since + một hành động đã xảy ra" để tái cấu trúc lại câu.

Câu trả lời:

15. We haven't gone to a concert for ages.
It's been ages since we went to a concert. / It's been a long time since we went to a concert.

16. Sarah hasn't seen her friends since she left for the United States.
Sarah last saw her friends when she left for the United States.

17.1 have never stayed in such an expensive hotel before.
This is the most expensive hotel I have ever stayed in.
This is the first time I have stayed in such an expensive hotel.

We haven't been to a concert for a while now.

We haven't attended a concert in a very long time.

It's been ages since our last concert.

It's been a long time since we went to a concert.