根据句意用括号中所给单词的适当形式填空。

It's fun to talk ________ when we work in groups in an English class．(free)

根据句意用括号中所给单词的适当形式填空。

It's difficult for me to make a ________．(choose)

根据句意用括号中所给单词的适当形式填空。

After discussion, they made a big ________ finally．(decide)

根据句意用括号中所给单词的适当形式填空。

I ________ forgot that I had a meeting this morning．(complete)

根据句意用括号中所给单词的适当形式填空。

She sat ________ in that sofa, listening to the music．(comfortable)

根据句意用括号中所给单词的适当形式填空。

In the chemistry lesson, the teacher put some ________ inside the tubes．(chemistry)

根据句意用括号中所给单词的适当形式填空。

We mustn't be ________ with the patients．(patient)

根据句意用括号中所给单词的适当形式填空。

It's freezing outside．Look! The ground is ________．(freeze)

根据句意用括号中所给单词的适当形式填空。

The patient is still alive．He's a bit ________ today．(life)

根据句意用括号中所给单词的适当形式填空。

I am ________ sorry about the terrible mistake I made in the letter．(terrible)