6. Since she didn’t come to school yesterday, she must be ill at home. (　　　　 )

5. Walk home from school, we saw an old friend in the street. (　　　　　　 )

4. I want to have my TV set to be repaired. (　　　　　　 )

3. Would you mind to open the window? (　　　　　　　 )

2. If the sun does not rise tomorrow, what would we do? (　　　　　　 )

1. Finally came the day which I began to learn in Beijing University. (　　　　　 )