1 . He likes，and is good at solving __________(谜)．(根据汉语提示单词拼写)

2 . r_______   a question that is very confusing and that has a surprising answer（根据首字母填空）

3 . 从方框中选择词语，并用其正确的形式完成下列各句。

on board, otherwise, collect, by accident, claim, select, sum up, sort, riddle, illustrate

1. Sam _______ the film DVDs according to genres(体裁), like action, comedy, and horror.
2. The researchers _______ the questionnaires back from the patients.
3. Wang Yaping, the only female astronaut _______ the Shenzhou 10 spacecraft taught a physics lesson to Chinese students through a live video.
4. This picture _______ how water can be reused and recycled.
5. I came to love stage design _______, when I was in the ninth grade helping my teacher with her stage design.
6. If you can solve the _______ on the lanterns, you will get a prize.
7. When Columbus landed in the New World, he _______ the land for Spain.
8. Please write down a list of the things you want to buy. You will forget them _______.
9. As the first woman _______ to make a trip into space, Tereshkova felt lucky and proud.
10. To _______, his fame and wealth were gained through hard work and his in-depth knowledge of his business.