不定代词someone, anyone等的用法 — 英语词汇题
题目
根据句意和首字母提示补全单词，每空一词。1. I called the doorbell twice, but n____ answered. 2. S____ called you just now, but he didn't leave his name. 3. Mary is so kind that she is ready to help a____ in need. 4. E____ in our class passed the exam, so we all felt happy.