Cindy failed in the writing competition. She must be in a bad mood.— Let’s go and .

When we think of communication, we ____ think of using words, talking face to face, writing messages, and so on

Mr. Robert is ________ our teacher. He is also our friend.

ou know why the Yellow River basinis called the Cradle of Chinese Civilization —Well, well, _____ I’ve never readabout that

When you got lost in the forest, I guess, you_____very frightened.[ ]