Viết lại câu nhấn mạnh chủ ngữ cho các câu sau:
1. We often complain about the noise at night
It is we who/that often complain about the noise at night.
2. I and she sang together at the party
It was at the party that I and she sang together.
1, It is we who/ that often complain about the noise at night
2, It was I and she who sang together at the party.