1.my father didn't use to smoke that much
2.whether we shall go picnic or not depend on what the weather it's going to be tomorrow
3.Helping others makes us happy
4.i'm interested in this experiment
5.my favorite birthday present was the camera
6.i think what he said is important
7.from here to tragedy is only 100 kilometer
8.he's first job it's a salesman for computer
9.she gave me some pretty pictures
10.please choose us a good room
而且楼主 不是 thanks for you 而是 thank you 或者thanks to you