----- Nội dung ảnh ----- 1. _____ (see) her before. 2. _____ (see) her last year. 3. Tom _____ (never be) in Hanoi. 4. I _____ (read) the novel written by Jack London several times before. 5. What you _____ (do) yesterday? 6. You _____ (watch) TV last night?
