Who will address the students from our school this evening? — ______ to be the speaker.

How often do you exercise? — ever. Because I am very busy with my work.

Who are you going to Beijing _____?[ ]

It’s difficult for the village children to cross the river to get to school.— I think a bridge ________ over the river.

Will you go and see the movie Net Mother with me?—Thank you. But I _________it already.