1 . Each person’s fingerprints are u_________.(根据首字母单词拼写)

2 . ________ (absorb)in painting, John didn’t notice evening approaching. （所给词的适当形式填空）

3 . For most people, trains are ________(rely), cheap and best for long-distance journeys. （所给词的适当形式填空）

4 . After class, some students remained ___________(seat)in the classroom and didn’t go out.

5 . The book, The Little Prince, is so ___________(fascinate) that I cannot put it down.

6 . Of the two sisters, Betty is ___________(attract) one, and she is also the one who loves to be quiet.

7 . 聆听朋友对你读过的书的反应会带来额外的乐趣。（动名词短语做主语; hearing n.; added adj.）

8 . With the improvement of the techniques, you can hardly tell the difference when the a________ flowers are put together with the natural ones.

9 . We should realize the p________ risks and take some measures before they come into existence.

10 . Sometimes, he finds it f________ to watch movies since they speak so quickly that he can understand nothing, though he has learned English for about 10 years.