1.sb.want to do sth.
2.be supposed to do sth.
3.go for a long journey
4.The Niagara Cataract/Fall
5.The Eiffel Tower
6.the Notre Dame Cathedral
9.consider to do sth.
10.The capital of France
11.one of the most busy cities
12.attractive scenery
13.by subway/underground
14.go to a warm place
15.take some thin clothes with you
16.in San Francisco