1 . Yesterday when I was w_______ on the pavement, I met an old neighbour.

昨天当我徘徊在街头时，我遇到了一位老邻居。

2 . You’ll have to ________(替换)those tyres; they’re badly worn.(根据汉语意思单词拼写)

3 . Easy access to the Internet in the rural area b________ the local education. (根据首字母单词拼写)

4 . The man in charge of the gallery ________ (宣布) that an exhibition of paintings would be held. (根据汉语提示单词拼写）