Ex1
1.quit,tough
2.accustomed to
3.ashamed (of her)
4.breathless
5.desperate
6.(The) alcoholic (effects)
7.strengthen (your muscles)
8.pregnant
9.disappointed
10.decide on
Ex2
cigarettes,alcohol,effects,adolescents,tough,stress,due to,addicted to,mental,quit,unfit,withdrawal
Ex3
亲：每天都开心V_V!
thanks!