`color{red}{#lgdr}`

`1` Because they were lazy , they failed the exam .

`2` Since he was kind , he had lots of friends .

`3` As Mai got up late , she missed the bus .

`4` Since Mary failed the exam , her parents were very angry .

`5` As she passed the test , her teacher was pleased .

`6` Because she got high marks , her mom was delighted .

`-` Mệnh đề chỉ lí do :

`@` S + V + O + because/as/since + S + V + O .