根据句意或中英文注释，在相应的横线上写出单词的正确形式。（5小题*1=5分）
I am_______(恐怕) the price of the book is a little high.
Don’t_______（嘲笑）at the people in trouble?
You look________(相当) tired．What’s wrong with you?
I like reading some of Guo Jingming’s________(作品).
Would you like ________(预定) some more beer?