题目

一篇英语阅读理解.请给在下这个菜鸟讲解一下这篇短文,
阅读以下短文,选择最佳选项
London has some fantastic sights for every tourist.But just__1_back does this wonderful city's history go?
It was the Romans who decided to build the city we know today as London.They invaded Britain in AD 43,and soon afterwards built the city of Londinium.They saw that a city with a bridge __2__the Thames River chould be useful,both for traveling to Eurpoe and traveling in England.It is thought that the original city was small ---about the __3__of Hyde Park!
1.A.how far B.how soon C.how long D.how much
2.A.under B.over C.on D.in
3.A.shape B.height C.style D.size
答案是ABD,请问为什么要这样填,特别是第一、二题,

提问时间：2020-10-13

答案

第一个空是历史追溯到多久之前
第二个空是桥在泰晤士河上固定搭配用over
第三个是因为前一句话原始的城市被认为很小所以下文说海德公园也小