根据句意，完成所缺单词。（前两个字母已给出）

When you speak slowly, I can un　　　　 you.

When you speak quickly, I can't.

根据句意，完成所缺单词。（前两个字母已给出）

His grandpa is a fa　　　　 scientist in China. Many people know him.

根据句意，完成所缺单词。（前两个字母已给出）

It's easy for me to learn English well, so I think I am good at la　　　　.

根据句意，完成所缺单词。

“How many m　　 do you have every day?” “Three. Breakfast, lunch and supper. ”

根据句意，完成所缺单词。

Edison invented many things. He was a s　　.

根据句意，完成所缺单词。

My work is very interesting and exciting. I e　　 my work .

根据句意，完成所缺单词。

He is a business man. He s　　 computers to many countries.

根据句意，完成所缺单词。

I keep a diary to h　　 me remember things.

根据句意，完成所缺单词。

It is m　　 colder than it was yesterday.

根据句意，完成所缺单词。

I called you last night, but there was no r　　. Where were you?