6. I have studied at this school __________ 2001 .

5. Uncle Wang has worked in this factory ____________ he came to this town .

4. She is working __________ eight in the morning ____________ eight in the evening .

3. They will be back from England _____________ a week .

2. I have stayed here ______________ nine hours .

1. He has been here ________ nine o’clock .

5. I have ________________ (借) this book for three weeks .

4. My uncle ______________ (离开) Shanghai two weeks ago . He ________________ (离开) there for two weeks .

3. He __________________ (来) this school since 1989 .

2. I __________________ (加入) the League for half a year .