3. Leon Kennedy had just seated himself when the door opened.
举一反三
- The store had a huge end-of-summer sale, and hundreds of people were at te door when it opened.
- Scarcely had I opened the door when the dog came running in.
- When he _______ the door, he found his keys were missing. A: was opening B: opened C: had opened D: was to open
- 1. The door is open. Who _____________ it? (has opened / had opened)
- when she opened the door she was