1.There stand quite some buildings along the Changjiang river.
2.They plan to travel around the globe in two years' time.
3.We plan to go downwards along the river in scad.
4.We should have studied this plan more carefully.
5.The tourists are deeply attracted by the history of Changjiang River.
6.She was singing all the way back home.
7.I'm going to the contest as long as you allow me to.
8.It was the man in black who killed the president.
9.This system has been in existence for over 1000 years.
10.The Sun rises from the east and goes down in the west.