It was my first time visiting the United States. Before 56_______(leave) for Washington D.C., I downloaded some introductions about some tourist 57________(attract) in the city. Therefore, I knew something about this city before the trip. A lot of things happened during my trip to Washington D.C.. However, what impressed me most was the International Spy Museum, 58_________ I visited on the 59______(three) day of the trip.
In my spare time, I often watched movies about spies with my parents because I was 60______(extreme) interested in spies. I acquired 61________ good knowledge of that after I read the descriptions in the museum. I learned that spies usually 62 _______(hide) important letters in an umbrella, in a shoe, or even in a pair of ordinary glasses. When they thought they were probably found out, they could have their appearances 63_________(change) in a few minutes. They put on fake hair, eyes or teeth. If they had an emergency, in order not to 64__________(recognize), they even changed a smaller pair of shoes to change their walking styles. 65________ conclusion, it was a nice trip. I had a good time in Washington D.C. and I will remember it forever.
56. leaving 57. attractions 58. which 59. third 60. extremely
61. a 62. hid 63. changed 64. be recognized 65. In