1. We (visit) ____________________ Sydney Opera House for several times.
2. Some activities (prepare) __________________ to celebrate the lunar new year now.
3. When I came to the stadium, the match (start) _____________________
4. Before she (listen) ____________________ to music, she (do)___________________ her homework.
5. Last night, Peter (go) ________________________ to the supermarket before he (go)__________________________ home.
1. We (visit) ___________have visited_________ Sydney Opera House for several times.
2. Some activities (prepare) ______are preparing____________ to celebrate the lunar new year now.
3. When I came to the stadium, the match (start) ________had started_____________
4. Before she (listen) ________listened____________ to music, she (do)_______had done____________ her homework.
5. Last night, Peter (go) __________had gone______________ to the supermarket before he (go)___________went_______________ home.