My mum was a guide in a museum when she was young. (WORKED) => My mum ________________________.

Hướng dẫn giải:

Đáp án đúng: worked as a guide in a museum when she was young

Câu trúc: S + was/were + a/an + N (nghề nghiệp) = S + worked as + a/an + N (nghề nghiệp)

Dịch nghĩa: My mum worked as a guide in a museum when she was young. (Mẹ tôi đã từng làm việc như một người hướng dẫn ở bảo tàng khi bà còn trẻ.)