Tự luận - điền dạng đúng của từ

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

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

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

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

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

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

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

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

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

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