The boys are ______this year than they were last year.

If he _____ that he ______ to work there then, everything would be OK now.

Rock-climbing is a breathtaking activity, very popular nationwide among young people, ______ cooperation as well as courage plays an important role.

. Rather than____________time watching TV at home, we____________to take part in sports and games on weekends.

Did you arrive here this morning?—Yes,it was at nine o’clock ____we came here.