The Canadian tourist hurried to the station, only _____ that the train had pulled out of the station.[ ]

The company is starting a new advertising campaign to ____ new customers to its stores. [ ]

What are you doing this Saturday?— I’m not sure, but I go to the Rolling Stones concert

I think he is taking an active part in social work. — I agree with you _______.

The movie covers all of Chinese history. It is _________ worth seeing again.