Past modals - 2

1. I don't think you ____________ when the teacher fell off his chair.
   1.   ?    SHOULD HAVE LAUGHED
   2.   ?    COULD HAVE LAUGHED
2. Dad's just watered the garden, but he ____________ because it's start to rain now.
   1.   ?    NEEDN'T HAVE BOTHERED
   2.   ?    DIDN'T HAVE BOTHERED
3. I ______________ the tickets online. I paid a lot more at the travel agent's.
   1.   ?    SHOULD HAVE BOUGHT
   2.   ?    MIGHT HAVE BOUGHT
4. The food looks lovely, but you _____________ for us. We've already eaten.
   1.   ?    NEEDN'T HAVE COOKED
   2.   ?    SHOULDN'T HAVE COOKED
5. You ______________ when you passed your driving test- it was your first time wasn't it?
   1.   ?    MUST HAVE BEEN DELIGHTED
   2.   ?    CAN HAVE BEEN DELIGHTED
6. I'm not sure where Mark is, but he _____________ home. He wasn't feeling well earlier on.
   1.   ?    MIGHT HAVE GONE
   2.   ?    MUST HAVE GONE
7. You _____________ my parents at the supermarket. They're away on holiday.
   1.   ?    CAN'T HAVE SEEN
   2.   ?    MUSTN'T HAVE SEEN
8. My brother isn't talking to me. I _____________ at him.
   1.   ?    SHOULDN'T HAVE SHOUTED
   2.   ?    COULDN'T HAVE SHOUTED
9. We're running out of petrol. We _____________ at the last garage.
   1.   ?    SHOULD HAVE FILLED UP
   2.   ?    COULD HAVE FILLED UP
10. Someone has taken Ben's smartphone. He _____________ it on his desk.
    1.   ?    SHOULDN'T HAVE LEFT
    2.   ?    NEEDN'T HAVE LEFT