2021年全国甲卷
阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
The Xi’an City Wall is the most complete city wall that has survived China’s long history. It
_____41_____ (build) originally to protect the city _____42_____ the Tang dynasty and has now been completely restored (修复). It is possible _____43_____ (walk) or bike the entire 14 kilometers.
We accessed the wall through the South Gate. The wall is 12 meters high and from here you can see streams of people moving inside and outside the City Wall.
After _____44_____ (spend) some time looking at all the defensive equipment at the wall, we decided it was time for some action and what _____45_____ (good) than to ride on a piece of history!
We _____46_____ (hire) our bikes from the rental place at the South Gate. My bike was old and shaky _____47_____ did the job. It took us about 3 hours to go all _____48_____ way around the Xi’an City Wall. Supposedly you can do it in two hours, but we stopped at the different gates and _____49_____ (watchtower) to take pictures or just to watch the local people going about their _____50_____ (day) routines.
答案及解析：
41. was built
解析：根据句意，这里描述的是西安城墙在唐朝时期建造的情况，所以应该使用一般过去时的被动语态。
42. in
解析：这里表示在唐朝时期，应该使用介词in。
43. to walk
解析：It is possible to do sth. 是固定用法，表示“做某事是可能的”。
44. spending
解析：after后面跟动名词表示在某个动作之后。
45. better
解析：what better than to do sth. 是固定用法，表示“还有什么比做某事更好的”。
46. hired
解析：根据句意，这里描述的是他们租自行车的情况，所以应该使用一般过去时。
47. but
解析：这里表示转折，虽然自行车旧且摇晃，但还能用，所以使用but。
48. the
解析：all the way是固定搭配，表示“一路，全程”。
49. watchtowers
解析：根据句意，他们停在不同的城门和瞭望塔拍照或观看当地人，所以使用复数形式watchtowers。
50. daily
解析：这里修饰名词routines，表示日常的惯例，所以使用形容词daily。
