already/yet的使用 — 英语词汇题
题目
用 already 或 yet 填空，每空一词。
1. I have ______ finished my homework, so I can play now.
2. Tom hasn't cleaned his room ______. He will do it after dinner.
3. — Have you had lunch ______?
— Yes, I have ______ eaten it.
4. They have ______ visited the museum twice this month.