`text{1.}` Mark's put on 5 kilos since he quit smoking.
`text{2.}` Joana doesn't eat much because of overweight.
`text{3.}` I had less opportunities than him.
`text{4.}` Tuan hasn't done the gerdening since he was 15.
`text{5.}` The last film is not the same as the film.
`text{* Hoàn chỉnh câu :}`
`text{1.}` It is dangerous to let children play in the kitchen.
`text{ It is dangerous + to V }`
`text{2.}` My mother used to look after younger sister.
`text{S + used to + V bare}`