Viết lại câu sao cho nghĩa không đổi 1,He has been collecting stamp for five years.[started] 2,We have never met such a famous singer before.[time]

Để viết lại câu sao cho nghĩa không đổi, chúng ta cần sử dụng từ khóa đã cho trong ngoặc để hoàn thành câu.

1. He started collecting stamps five years ago.
2. We have never met a famous singer before this time.

It has been five years since he started collecting stamps.

This is the first time we have met such a famous singer.

He started collecting stamps five years ago.