1．Mr Smith, from ________ I have learned a lot, is a famous scientist.
2．The boy, ________ father is an engineer，studies very hard.
3．Our guide, ________ was a French Canadian，was an excellent cook.
4．Finally we visited the Giant Yangtze Gorges Dam, ________ is the greatest water control project in the world at present.
5．After graduation, I decided to stay in Chongqing, ________ I was born.
6．Last summer we visited the West Lake, for ________ Hangzhou is famous in the world.
7．He was eager to go to the hospital to see his stepmother, ________ he loved and respected as his own mother.
8．David, ________ you know，has not been well lately.
9．There are about twenty students in this course, most of ________ are freshmen.
10．We are living in an age ________ many things are done on the Internet.
1.whom 2.whose 3.who 4.which 5.where 6.which 7.whom 8.as 9.whom 10.when