问题
填空题
根据下列句子的意思及所给的汉语提示，写出空缺处单词、固定短语或固定搭配的正确形式。
1. Where is your _____ (双肩背包)?
2. The cat is _____ (在…下面) the chair.
3. Is the _____ (棒球) on the sofa?
4. Where are the _____ (钥匙)?
5. I _____ (不) know.
答案
1. backpack 2. under 3. baseball 4. keys 5. don't
