问题
填空题
用所给单词的适当形式填空。
1. You must think about _____ (person) safety.
2. The children might hurt _____ (them) if they walk alone.
3. Are you careful or _____ (care)?
4. The classroom is very _____ (noise) before the teacher came in.
5. He is so _____ (friend) to others.
答案
l. personal 2. themselves 3. careless 4. noisy 5. friendly