What are you going to do this weekend? —I _____ yet.

Some young people like reading novels on their mobile phones after turning off the light at night.—Don’t you think it is to their eyes?

Thank you very much. —Not at all , I was____________ glad to help.

Where is your father?—— He has gone to the supermarket. He __________ at home.

My cousin went abroad at_____ age of eighteen.