2 . Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.

Email, and chat rooms let children communicate (1)_____ friends and family members. They can also allow children to connect with people that they have never (2)______ in person. Knowing a little about each of these communication services can help parents (3) _____ children safer while online.

Through e-mail, (4) _____ can easily send and receive messages. These messages may also have text, audio, and picture files attached. Signing up for an email account is simple (5)______ most services offer them for free. Sometimes these messages contain viruses, or other inappropriate content, so parents should warn children to be wary of email from (6) _____ people.

Chat rooms are online hang-out spots where anyone can talk about (7) ______ - current events, books, and other common interests. Users often do not know each other in real life, so it is important that parents keep a close eye on the content of any (8) _____.

1. A. to B. with C. for D. through

2. A. met B. gone C. asked   D. called

3. A. save B. protect C. surround   D. keep

4. A. receivers B. messengers C. users   D. partners

5. A. due to B. because C. because of D. so

6. A. known B. well-known C. unknown D. unpopular

7. A. every B. something C. nothing D. anything

8. A. conversations B. meetings C. letters D. users