1 . 用方框中单词的适当形式完成下列句子，每个单词只能用一次。

enhance；consumer；academy；deserve；rare；embarrass；anxious

1. The well-known clown feels deep ________ although he makes the audience laugh.
2. It was a deeply ________ moment when I called her a wrong name.
3. Trust me. Add some drawings to the wallpaper, which will much ________ its attractiveness.
4. David ________ asks questions when he encounters difficulties in study. He thinks instead.
5. I was so embarrassed that I wanted the floor to open up and ________ me.
6. Normally, the students return in September for the start of the new ________ year.
7. The report ________ careful consideration.

2 . 根据句意，选择单词或短语并以其适当形式填空。

convince/convinced/convincing

1. There is now ________ evidence that smoking causes lung cancer.
2. They were ________ that he would not fail them.
3. Agricultural companies have failed to ________ consumers that GM foods are safe.