At the wedding, he sang a song specially written for the ____.
That was the first time I _____to Hongkong so I had great difficulty _____the hotel.
---Is this book_____ you bought in the bookstore?---No, mine is yellow. It _____ Sally, I think.
---How are you prepared for the new project? ---We have done much but a lot of equipment ______.
---How long have you been here? ---About half an hour, Jack ______me here.
I can still remember the first day _____I spent at school _____it were yesterday.