您要查找的是不是：
- 这是谁的书? Whose book is this?
- 我不能肯定这是谁的书。 I am not quite sure whose book this is.
- 不管这是谁的书,都要保管到主人回来。 No matter whose book it is, it will be kept here until the owner returns.
- "可是对你来说这是一桩大事啊。" "什么大事不大事的！我担心什么？" "But it's a serious matter for you." "Serious my foot, why should I worry?"
- 我们以前常常嘲笑他们粗俗的举止。当我得知我的对手是谁的时候，我感到好笑 We used to laugh at their provincial manners. I had to laugh when I saw who my opponent was.
- 这是一本关于现代英语惯用法的书。 This is a book on modern English usage.
- 这是谁的屋子? Whose room is this?
- 这是一本相当不错的书。 It's a fairly good book.
- 这是谁的错? who are we mistaken--
- 古登堡计划知道是谁在下载他们的书吗? Does Project Gutenberg know who downloads their books?
- 这是谁的字典? Whose dictionary is this?
- 这是一本难得的书，是在一个小书店碰上的。 It's a rare book. I hit upon it in a small bookshop.
- 这是谁的钢笔? Whose pen is this?
- 这是一本对初学法语的人有帮助的书。 This is a book useful for beginners in French.
- 这是谁的背心? Whose waist-coat is this?
- 我不知道这是谁的。 I wonder whose this is.
- “《凯撒历史回忆录》，”那强盗说道，“这是我最爱读的书。” "Csar's Commentaries," said the bandit, "it is my favorite work."
- 这是谁的（女）衬衫? Whose blouse is this?
- 这是一本对初学英语者有帮助的书。 This is a book useful for beginners in English.
- 不管这是谁的错误。 No matter whose fault it is.
