accustomed to hearing it many times a day. 2.6

起初我不明白他的话到底什么意思，可是每天听他说好多遍，不久我就习以为常了。

I hadn’t asked any of the students to help me watch Mark, but since I had stated the punishment in front of the class, I had to act on it. 4.2

我并没有让任何学生帮我监视马克，但是既然我已经当着全班的面说了惩罚办法，我就要说到做到。

We had worked hard on a new concept all week, and I sensed that the students were growing frustrated with themselves—and edgy with one another. 8.1

我们整整一周都在学习一个新概念，我感觉到学生们开始泄气了，而且相互间变得急躁易怒。

Opening the billfold, he carefully removed two worn pieces of notebook paper that had obviously been taped, folded and refolded many times. 17.1

他把皮夹打开，小心翼翼地拿出两张破旧的笔记本纸。很明显，那纸已经用胶带粘贴、反反复复折叠过很多次了。

Unit 03