1.I find I have a deeply interested in doing speaking.
2.When I drive in the highway,I realize these years there is a enormous change in Chinese highway system.
3.I can hardly believe he knew how to work computer system in short period.
4.Three years passed,this moment finally arrives.I will go home in less than two weeks.(回国也是可以用go home的,是相对于出国go abroad而言.)
5.I want to stay homw with my family rather than those people I know who can't wait for going abroad.