1.Don't economise

2.has learnt

3.hasn't met

4.are speaking

5.are

6.has

IV

1.

2.water sport

V

1. the nile river is the longest river in the world

3. nam likes watching TV

2. Ba is as tall as Nam

III:

1.don't economise

2.has learnt

3.didn't meet

4.are speaking

5.are

6.has

IV:

1. Most Australian live less than 80 kilometres from beach.

2. Swim, sailling and surfing.

3. Australia also have some top tennis players.

4.Because it's popular. (theo ý kiến của mik thì mik nghĩ vậy thôi nha)

V:

1. The Nile river is the longest river in the world.

2. Ba is shorter than Nam.

3. Nam likes watchinh television very much.

   CHÚC BẠN HỌC TỐT NHA ! Nói trước, đây là bài mik tự làm nhé! Ko copy của ai đâu.