I.关键词语选择（共5小题；每小题1分，共5分）
你将听到五个句子。请在每小题所给的A、B、C三个选项中选出你所听到的单词或短语。每个句子读两遍。
1. A. stand B. start C. study
2. A. works B. walks C. wakes
3. A. invents B. inventions C. inventors
4. A. think of B. think about C. think out
5. A. put away B. run away C. throw away
