`3`. Lan received a bike from her parents on her birthday
`4`. I took care of my mother when she was ill
( took care : chăm sóc )
`6`. The heavy rain prevented us from enjoying the trip
(S + prevent + O + from + V-ing)
`8`. He drives slowly and more carefully than I do
`9`. The visitor spoke too quickly for me to understand what he said
S + V + too + adv + (for somebody) + to V
`13`. Lan has three older sisters
`14`. Our house is the oldest house in the living centre
`15`. Mai is usually a hard - working
`16`. Hoa’s collection eight hundred stamps in Hoa's collection
`17`. What is the chicken's weight ?
`18`. What is the price of this book?