【正文】
t in the bookcase 2. Is the baseball under the bed? 3. Where are the pictures 4. The baseballs are in the bag 5. No, they aren’t 6. His Tshirt is on the bed. 六 . 用正確的介詞填空 1. on 2. in 3. on 4. on。 are。s。 1. The books are in the bookcase.(改否定句 ) 2. The baseball is under the bed.(改一般疑問句 ) 3. The pictures are on the wall.(對劃線部分提問 ) 4. The baseball is in the bag.(變?yōu)閺蛿?shù)) 5. Are the c