小测验：选择正确的单词

1. It is a puzzle to me how he could come here.
   我不知他是怎么到这里来的。
2. He was puzzled how to answer the letter.
   他不知道如何回这封信。
3. I am puzzled to know what to do.
   我不知道怎么做。
4. I am puzzled what to do.
   我不知怎样做才好。
5. I’m doing a word puzzle in this newspaper.
   我在做这张报纸上的猜字谜语。

　1个形容词解释