一般现在时和一般过去时 .用be的适当形式填空1. This _ a picture of a school, and that _ a picture of a factory.2. These _coats for men, and those _ coats for women.3. It _ sunny today, but it _ rainy yesterday. I hope it _ fine tomorrow.4. They _ middle school students last year, but now they _ college students.5. I _ a student of English, and my sister _ a student of history.6. I _ very glad to see you.7. She _ often late for school8. On very c