【正文】
1. — Who ___________(發(fā)明 ) the puter? — Sorry, I don’t know. 2. I often play football with my friends in my____________ (空余 ) time. invented spare/free 3. — Why was Daniel _____________(缺席 ) yesterday? — Because he was ill in hospital. 4. — I’m _________(真正地 ) grateful for all your