VI.
1. The " ao dai " was mentioned by the poet in the poems a long time ago .
2. My father has started smoking since two years.
3. His childen have began to practive the piano for three o'clock .
4. An old friend met Lan on the way home yesterday .
VII.
1. The disign used for women and material used for men from those were diferent .
2. Two people said they usually wose colorful T-shirt on the weekend .
3. So many people wearing them began jeans become cheaper.
