Where ________ you last night? I called you, but got no answer.—Sorry. I ________ out with my brother.

Parents and teachers should help teenagers control their use of computer games ______be controlled by themselves.

Must I finish the paper tonight? —No, you _______ finish it tomorrow.

What does the fresh juice contain ?— of the juice orange . It’s very pure .

It was very kind ________ the policeman ________ me home.