Question

1. I last met him when i left here ->i have met... 2.they began building the house in 2000 -> they have.... 3. he was lazy, so he failed the exam -> because

Answer 1

1. I last met him when i left here -

>i haven't met him since I left here...

2.they began building the house in 2000

-> they have built the house since 2000....

3. he was lazy, so he failed the exam

-> because of his laziness, he failed the exam