根据英文解释或汉语意思完成单词。每个单词的首字母已给出。（每小题1分，共5分）
1．He is so careful that he always makes few m____________.
2. He used to be shy, but now he is very o .
3. She used to had short hair, but now she has l hair.
4. If you want to make lots of (friend),you must be (friend) to others.
5. It’s difficult for me to r (记住) so many English words.