Вставь артикли a или an в словах: tiger, house, ear, family, car, jar, arm, fox, egg, bee, ox?
upx
a tiger, a house, an ear, a family, a car, a jar, an arm, a fox, an egg, a bee, an ox
1.Smoking causes lots of illnesses: cancer, for example
2. Smoking addictive and it is difficult to give up smoking.
3. Cigarettes cost a lot of money
2. How long has he had
3. How long has he been
4. How long have they knew
5. How long has she worked
6. How long have you lived
1-4,3,2, and if the answer not be appropriate take a look in dictionary