Not ______ openly may make one’s point confusing, while careless words are ______ to hurt others’ feelings.

 As we all know, the functions of our skin are very        .

一What color is her jacket?          一It’s _______.

I can't remember where I have put that book.Maybe they are ___ which one is not correct.

She is not very ____ about the idea of going camping. I think she will stay at home reading.