题目内容：

B．用括号内所给单词的适当形式完成句子。

1.Computers and rockets seemed _______(possible)to look for people under the buildings 100years ago.

2.She wants to be a _______(science) when she grows up.

3.P.E. is short for __________(physics) education.

4.Age is a _______ （person）problem in the West. Don’t talk about it.

5.At the _______ (begin) of the book, the writer told us a story.

6.They agree it may take ______(hundred) of years.

7.Maybe the boy will go _____(swim) the day after tomorrow.