A:Jim did really well in the exam.B:Yes. I think he studies_______of all the students.
---- Is the physics problem _________? ---- Yes, I can work it out _________.
Don’t worry, Sir. I’m sure I can run _________ to catch up with them.
---- I watched the TV program last night. ---- _________.
----_________ a year does your school have sports meetings? ---- Twice a year.
About _________ people are in the People’s Park at the weekends.