27、I was 　　 (尴尬) by his comments(评论) about my clothes.

26、You should give clear 　　 (说明) for all the exercises.

25、I am 　　 (惊异) by what you have told me.

24、What's you a　　 towards this question?

23、I like m　　 because I enjoy working out problems about number.

22、Xiao Ming is a very i 　boy. He knows the answer to any question.

21、My history teacher is very a　　. He always makes us laugh in the lesson.

第二节:请听下面一段对话。根据题目要求，从所听到的内容中获取必要的信息，填在答题纸标号为16至20的空格中。你将有2分钟的作答时间。本段对话读两遍。