71.Olympic Games/international/events/take place/four years/different cities/.
72.taxi/difficult/get/during/rush hour/
73.can/dictionary/used/students/?
74.I/be/used/get up/early/learn/English/.
75.television programs/interesting/watch/.
76.after/they/carry/Olympic torch/stadium/games/begin/.
77.when/I/got/theatre/movie/already/started/.
78.how long/you/learn/English/?79.girl/whose/parents/live/Hanoi/invited/me/spend/summer holidays/there/.
80.man/who/be/black uniform/be/referee/.
81.try/use/your goods/as/economically/you/can/.
82.it/be/one/the/expensive car/world/.
83.games/exciting/enough/attract/many children/.
84.Mr. Nam/said/be/famous doctor/.
85.he/not/intelligent/understand/you/say/