Tự luận - điền dạng đúng của từ

Our (culture)____traditions should be maintained and introduced to friends all over the world.

It is advised that (tour) ____ must be responsible for their actions during the trip.

We can explore the (mystery) ____ hiking paths and observe wild animals when visiting Cuc Phuong National Park.

He apologized for the (convenient) ____ he had caused.

For your (inform) ____,  the library is on the third floor.  

This is one of the best (document) ____ films showing the lives of working people.   

The government has introduced some (effect) ____ measures to reduce unemployment.

He is a (curiosity) ____ boy. He is always asking questions.

Ecotourism is thought to be (sustain) ____, as it helps the preservation of species of fauna and flora.

Some people support the view that (person) ____ electronic devices may bring more harm than good to students.