望子成龙初一英语 业精于勤荒于嬉代词用法练习一、请用所给的代词填空。 this, that, these, those, it, they1. These keys are mine. _ are yours.2. Whats _? Its an egg. Whats _ over there? Its an orange.3. Look at _ pencils. Are they Lucys? No, those are hers. _ are mine.4. Hi, Mum, _ is my friend, Lucy.5. Whatis ? isanapple.6. Are your frien