2 . I began to ______________________________ towards the door.
我开始手脚并用朝门口爬去。

3 . Upon his master’s arrival, the dog leapt to its feet, ______________________________.
主人一到，小狗就跳了起来，愉快地哼哼着，蹦蹦跳跳地往前跑去。

5 . I want to know the way to communicate with my parents. (改为同义句)
I _________ _________to communicate with my parents.

6 . 这只熊猫见到新鲜的竹子似乎很开心。（完成译句）
The panda _________ _________ when she saw the fresh bamboo.

7 . Kate was reviewing her lessons at eight last night.（对划线部分提问）
_________ was Kate _________ at eight last night?

8 . 尽你所能，你将了解你有多强大。
_________ your best, _________ you will know how strong you are.

9 . 筷子在日常生活中使用得如此频繁，以至于它们从一出生就形成了自己的一套习惯。(since引导时间状语从句)
Chopsticks are so frequently used in daily life that they ______ a set of customs of their own since they were born.

10 . 杭州是一座令人印象深刻的城市,它经常给游客留下深刻的印象。(such...that...)
Hangzhou is ______it often makes a strong impression on visitors.