1.As we all know,this kind of computer is out of date.
2.It was David's classmates' words that made him so worried.
3.This is the first time to apologize to her father.
4.Love and patience are important to kids.
5.We must use the new chair instead of the old one.
1.Yesterday she sold the car,which she bought a month ago.
2.,Mr Brown,who juxt came fromBritain last week,will teach us biology.
3.