People _________ rivers for transportation since the beginning of history.

The Whites ___________ many places of interest since they came to China.

--- Have you seen the film Titanic? ---No , but I ________.

—Which team do you think ________ the match?—Hard to say. There are still ten minutes before it ends.

 My friend Li Xiao knows my hometown very well because he _______ there many times with me.