问题 改错题 单句改错。1. Where is my books? A B C D 2. I backpack is in the desk. A B C D 3. Is the baseball under table? A B C D 4. He's ruler is on the table. A B C D 5. Are those your pencil? A B C D ______________________________ 答案 1. B are/D book 2. A my 3. D the table 4. A His 5. D pencils