There will be _____ alleys in China in 20 years.为什么要用many mo

北京胡同英文简介
beijing 's hutongs,lanes or alleys formed by lines of siheyuan (a compound with houses around a courtyard) where old beijing residents live,witness the vicissitude of the city.
the word "hutong" originates from the word "hottog" which means "well" in mongolian.villagers dig out a well and inhabited there.hutong means a lane or alley,in fact the passage formed by lines of siheyuan (a compound with houses around a courtyard) where old beijing residents live.be care not to lost in it!it was recorded that in the yuan a 36-meter-wide road was called a standard street,a 18-meter-wide one was a small street and a 9-meter-wide lane was named a hutong.in fact,beijing 's hutongs are inequable ranging from 40 centimeter to 10 meter in wide.the longest has more than 20 turns.either in east-west or north-south,beijing 's hutongs varied as slant,half or blind hutongs" cul-de-sacs.the gray-tiled houses and deep alleys crossing with each other in identical appearance like a maze,you will find it much fun to walk through but be care not to lost yourself.
麻烦帮我翻译成汉语,

___you___Three lanes and Seven Alleys last Sunday?
No,but I will visit them next week.
A:will ;go toB:have;been to C:did;go to D:have;gone to 选哪个?为什么选啊

If you want to ＿＿＿the narrow alleys of old Beijing ,you'd better use the pedicab .
A.explore
B.express
C.exchange
D.explode

英语翻译
Beijing 's hutongs,lanes or alleys formed by lines of siheyuan (a compound with houses around a courtyard) where old Beijing residents live,witness the vicissitude of the city.
The word "hutong" originates from the word "hottog" which means "well" in Mongolian.Villagers dig out a well and inhabited there.Hutong means a lane or alley,in fact the passage formed by lines of siheyuan (a compound with houses around a courtyard) where old Beijing residents live.Be care not to lost in it!It was recorded that in the Yuan a 36-meter-wide road was called a standard street,a 18-meter-wide one was a small street and a 9-meter-wide lane was named a hutong.In fact,Beijing 's hutongs are inequable ranging from 40 centimeter to 10 meter in wide.The longest has more than 20 turns.Either in east-west or north-south,Beijing 's hutongs varied as slant,half or blind hutongs" cul-de-sacs.The gray-tiled houses and deep alleys crossing with each other in identical appearance like a maze,you will find it much fun to walk through but be care not to lost yourself.
越快越好!
今天翻译好的加分!