Read the passages below and choose the best tittle for each passage?

4. __________ But some people are worried that these websites aren’t safe. For example, it is impossible to know that the information on a homepage is true. Perhaps the 14-year-old girl you talk to online is really a 40-year-old man.

SUGGESTED TITTLES:

Tittle 1 – Why do “friends” websites seem dangerous?

Tittle 2 – How do “friends” websites work?

Tittle 3 - What’s the best advice for people who want to use “friends” websites?

Tittle 4 – Where do Millie’s friends live?

Tittle 5 – How can I find “friends” websites?

Tittle 6 – Why are “friends” websites popular?

Question 4:

A. Tittle 4

B. Tittle 2

C. Tittle 3

D. Tittle 1

Văn bản “Ôn dịch thuốc lá” thuộc kiểu văn bản nào?