五 虚拟语气 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> Task 1 1—5 : CBDBC 6—10: DBADA 11—15: ABCDC 16—20: CBABB Task 2 1. (should) put on 2. come 3. held 4. hadn’t fallen 5. had follwoed6. were 7. hadn’t had 8. would have studied 9. could have climbed 10. (should) worry