根据括号中所给的汉语写出单词，使句子意思完整正确。
Sorry, sir! Those boots aren’t         (可找到的) in your size.
Spacemen have to__________(使固定) sleeping bags to the walls to prevent floating..
All the boys can’t wait to play basketball. They wish to begin      (立即) after class.
We can use many _________(交通工具) such as buses, cars and so on to go to or from work.
B.用括号中所给单词的适当形式完成下列句子。每空限填一词。
Little Tom is often very clever, but he makes an         （correct）answer this time.
When we got to the top of the mountain, we were tired and breathed __________(heavy).
Minnie is         (pretty) than any other mouse I’ve ever seen.
A hot topic that people are now talking about is the      (safe) of school bus these days.