1.    How far is it from Vung Tau to Ha Noi?

 What is the distance between Vung Tau and Ha Noi? 

2.    A train leaves for Da Nang at 5 o’clock every morning.

 There is a train leaving  for Da Nang at 5 o'clock every morning

3.    Is it possible to travel to Sa Pa by air?

 Can we travel to Sa Pa by air?

4.    The distances from Ha Noi to Hue City is about 540 km.

 It is about 540 km from HN to Hue City

5.    Road users should obey traffic rules strictly

 Traffic rules should be obeyed strictly by road users 

6.    Athough he is young, he earns a lot of money.

Despite being young, he earns a lot of money

7.    Hung spent 30 minutes making pottery last month.

It took Hung 30 minutes to make pottery last month

8.    It takes her two hours to travel to Ha Noi.

->She spends 2 hours travelling to HN

 9. Electric buses are eco-friendly. They will become popular in big cities soon.

-> Because electric buses are eco-​friendly, they will become popular in big cities soon.

10. I last met her one month ago.

-> I haven’t met her for a month

11. This book is more expensive than that one.

-> That book is more cheaper than that one

12, The T-shirt is 80.000VND. The sweater is 80.000 VND(the same as)

The T-shirt costs the same as the sweater 

13. No river in the world is longer than the Nile.

The Nile is the longest in the world

14. Lan is the tallest in my class.

No one in my class is taller than Lan

15. This is the most interesting film I have ever seen.

-> I have never seen the more interesting film than this