15. I think you _____________ be more tactful.
should
16. _____________ you have any questions, please write me an email.
should
17. What _____________ I do to learn better?
should
18. My father thinks that I _____________ be so into computer games.
shouldn't
19. The candidates _____________ be here before 10 a.m, or they will be disqualified.
should
20. You _____________ learn about some cultural features of the country you are going to visit.
should
21. Mary _____________ take any pills before seeing the doctor.
shouldn't
22. _____________ James apply for the job at this company? – Yes, he should.
Should
23. How much time _____________ I spend on this task?
should
24. Old people _____________ work too hard. They need time to relax.
shouldn't
25. Parents _____________ let their children expose to smartphones at an early age.
shouldn't
