Seen from the top, the stadium looks just like a bird’s nest    of tree branches.

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

. All the students were____ when they heard the_____ news.

—If you go to the post office，would you please get me a stamp？　　 —I am ______ willing to.

—Are you satisfied with her answer? — Not at all. It couldn’t have been _____.