—What do you think of the good news?—Wonderful! It makes us _____．Most of us were _____about it 

Green products are becoming more and more popular because they are environmentally _________.

As a young minister, he was full of ______ ideas for social reform.

In the face of danger, we need to stay ____. Only in this way can we come up with good solutions.

The audience waited in________silence while their aged speaker searched among his notes for the figures he could not remember.