1. I'm looking for my key.

- Look for sth: Tìm kiếm thứ gì

2. Who looked after your children when you were away?

- Take care = look after: Chăm sóc

- Who + V

3. She is looking forward to seeing a good response from your company.

- Be looking forward + to V - ing = Be excited about + V - ing: Háo hức, mong đợi làm gì

1. I'm looking for my key.

find: tìm = look for: tìm kiếm 

2. Who looked after your children when you were away?

take care of = look after: chăm sóc

3. She is looking forward to seeing a good response from your company.

be looking forward to + Ving: mong chờ điều gì 

`color{orange}{~LeAiFuRuiHuiBao~}`