Bài tập 1: Điền từ vào chỗ trống.
1. His wife went to HCM city.........for a long time...............
2. I don't want to talk with Jane.........long..............
3........Long ago............, there is a princess lived in this castle.
4. She phoned me and did'nt talk......long...........
5. It's doesn't take....long........to find the thief.
6. This rope is not.........long......... enough.
7. As.........long.........as I live I'll love you.
8...........Long before..............I was born, my mother has won the first prize of English competition.