Our country's natural and cultural potential for ecotourism is well known.

It was Tom _______ to help us.

It's my ____ ceremony next week; I think my parents are looking forward to it more than I am.

Tìm từ đồng nghĩa với từ gạch chân:

Their activities are not based on the ecotourism principles.

I can't afford to spend my holiday aboard.

=> A holiday aboard is so ___________________.

He only thought about having a holiday abroad after he retired.

=> Only _________________________________________________.

The manager is away on business _______ so I am in charge of the office now.