1 . As s_______, this sports meeting will be held on the playground this weekend. (根据首字母单词拼写)

2 . William Sydney Porter (1862-1910), ________ pen name was O. Henry, was a world-famous American short story writer. (用适当的词填空)

3 . I saw that shoes__________ (sell) downstairs on the ground floor, not the first floor. (所给词的适当形式填空)

4 . These terraces also provide a perfect environment for birds and fish, some________ feed on insects that can harm the rice crops.
这些梯田也为鸟类和鱼类提供了绝佳的栖息地，其中的一些以危害水稻的昆虫为食。

5 . I knew I had done a good job and________getting a positive comment.
我知道自己写得很好，也一直盼望着得到积极的评价。

6 . These terraces were built by the local Zhuang and Yao people, ________ whom Guangxi is home. （用适当的词填空）

7 . The solution to the mystery to the monarch’s amazing ability comes at a time ________it is in serious trouble. （用适当的词填空）

8 . Walk and Talk is perfect for anyone________ weekends need some excitement. （用适当的词填空）

9 . We need to keep it mind that ________ we see on social media is often not the whole truth about a person. （用适当的词填空）

10 . The day________(observe) with a wide range of events that are organized at local, national and international levels. （所给词的适当形式填空）