1) flight

2) accommodation

3) departure

4) arrival

5) day

6) unfortunately

7) ocean

8) mountainous

9) south

10) recognized

Đáp án :

1/ Every week, there are two flight from Ha Noi to Nha Trang 

2/ It's difficult to find accommodation at busy times in this town

3/ The train made a late departure

4/ We are waiting for the arrival of his plane 

5/ There are three trains day from Ha Noi to Lao Cai

6/ unfortunately, dark cloud appeared and it began to rain

7/ Tom and Jane want to visit an ocean institute in Viet Nam 

8/ My aunt likes in a mountainous area of the country

9/ There are some buses to south destinations 

10/ Ha Long Bay was recognized by UNESCO as a world Heritage Site