双基限时练(二十四) 篇章补充训练 ⅰ.完形填空 my first visit to london was one and a half years ago. it was a wonderful __1__.i stayed in the city for three weeks, and it __2__ a good impression on me. i visited the tower bridge and the famous big ben clock, __3__ i dreamed of seeing in the past. and i went on a tourist __4__ on the river thames and saw two coasts. i __5__ to the tower of london, and i want to say that it is a very interesting __6__ place. i found out that a long time ago, it was a prison. later it __7__ a castle for the royal family. or maybe it is not;
