( )61. Have you ever ________ to travel around?
A. taken a train B. took train C. by a train D. by trains
( )62. The Great Wall is one of the biggest ________ in Beijing.
A. attractions B. actions C. amusement parks D. vacations
( )63. It was last night _______ I saw the comet (彗星).
A. that B. when C. which D. the time
( )64. ________ you ________ the Space Museum?
A. Did; go B. Have; been
C. Have; ever been to D. Have; ever gone to
( )65. —Aquarium is an interesting place. —Have you ________ there?
A. been B. gone C. been to D. gone to
( )66. —What is the most wonderful place ________?
A. relax B. relaxing C. to relax D. to relaxing
( )67. They drove along different streets, but they ______the same place.
A. end up with B. ended up in C. end up D. ended up to
( )68. —_________ has Tony run the marathon?
A. How far B. How soon C. How many times D. How long
（ )69. —How long _______ you ________ a doctor? —Three years.
A. have; been B. have; become C. did; be D. are; /
( ) 70. —Wang Lin is friendly _______us. We all like to play with him.
—Yes, and he is very helpful, too.
A. from B. to C. with D. at