10.hear sb. doing sth.________________________________________

答案：听到某人正在做某事

9.remember doing sth.________________________________________

答案：记得曾经做过某事

8.far away________________________________________

答案：遥远的

7.in fact ________________________________________

答案：实际上

6.a couple of________________________________________

答案：两个，几个

5.担心……________________________________________

答案：worry about...

4.一天天地________________________________________

答案：day by day

3.和某人交朋友________________________________________

答案：make friends with sb.

2.别挂断(电话)________________________________________

答案：hold the line/hold on

1.顺便说一下________________________________________

答案：by the way