在下列短文中修改出10处错误的地方.

One day when my friend and I was（1.were) wandering in a busy street,he suddenly entered into(2去掉into) a shop. I waited until he was driving(3 driven) out by someone in the shpo.He was very angry with(4 by) the impolite treatment."They missed a T( 5 i) on the sign,and they scolded me !" I looked up in (6 at)the blackboard hung in front of the shop and couldn't help laugh(7 laughing) when I saw the words(8 word)"TOLET".The poor man hs(9 去掉has) thought the shop to let(10 get) was a toilet! I whispered him,Let's go away quickly."
再问： 第5个，改成i的是什麼意思。
再答： 牌子上是写的to let,可是你的朋友看成了toilet,他还怪人家的牌子上少写了一个i