1.A lot .of... students go .to.. college every year. My friend`s son is .in.. college now, and my son is going .to... college next year.
2.I don`t like playing .--. football,but I often play .-- tennis .at. work .on... weekdays, and at. the week-end too.
3.Ann`s children were ..in... hospital last week. They are at home now, and they are doing very well.
4."When did you discuss -- those questions last?" "We discussed .-- them the day .before. yesterday."
5.Peter is going .to... hospital .in.... two days.
6.I stayed .(at) home ..at.. ten yesterday morning.