1
You …………… study hard for the exam.
2
You …………… bought a car without airbags.
3
You …………… drive your car without fastening your seatbelt.
4
You …………… missed the bus. You are late now.
5
I've got a terrible stomachache. I …………… all that food.
6
We should …………… to keep our environment clean.
7
He should have …………… more careful with his study.
8
They …………… on time, but they didn't.
9
Students should …………… ready for the next exams.
10
The policeman fined the carless driver who …………… the speed limit.
