1. ............ is the fact or condition of being addicted to a particular substance or activity.

Addition

Addiction

Address

Addendum

2. Unknown to Kidd, Hadnot was also developing a drug ............

addictive

addiction

addicted

addict

3. ............ is an excessive or compulsive use of the Internet.

Internet addiction

Drug addiction

Nicotine addiction

Pornography addiction

4. ............ is a synonym of addiction.

Forgetfulness

Habituation

Oblivion

Slip

5. He is a victim of sex ............

addictive

addicted

addiction

additional