1. The emphasis on team sports has become even stronger in this century than it was in the last.
2. The Humber River and its valley form a major salmon fishing, hunting, and farming region.
3. Children learn a lot about how to behave in a situation like this.
4. Although he is quite clever, he never does well at school.
5. If your brother doesn't come back tomorrow, we will set off for Dakota without him.
6. You must make sure that everything is in order before you turn on the printer.
7. I heard someone calling my name while I was having lunch in a restaurant near my college.
8. I just can't understand what you said, so could you please repeat it again?
9. It's sometimes difficult to solve the problems between the old and the young.
10. You had better read the questions carefully before making your choice.