shake|shaking|shook|shaken

当我第一次见到某人时，我总是握手。

I always ___shake hands when I meet someone for the first time.

我的朋友们都和他们握手了，但我感到太尴尬了。

My friends all ___shook hands with them, but I felt too embarrassed.

一个小男孩爬上苹果树，摇晃树枝，让果实掉下来。

A young boy climbed into the apple tree and ___shook the branches so that the fruit fell down.

婴儿喜欢那些被摇晃时会发出声音的玩具。

Babies like toys that make a noise when they're ___shaken.

考试前我紧张得瑟瑟发抖。

I was ___shaking like a leaf before my exam.

她打开信时在颤抖。

She was ___shaking as she opened the letter.