1
they should study hard for the exam
2
.he shouldn't has bought a car without airbags
3
.we …………… drive our car without fastening our seatbelt
4
.we …………… missed the bus. we are late now
5
.I've got a terrible stomachache. I shouldn't have all that food
6
.you should …………… to keep your environment clean
7
.she should have …………… more careful with her study
8
The students …………… on time, but they didn't
9
.we should getting ready for the next exams
10
.the careless driver who..................... the speed limit, the policeman fined him