________you _____your homework yet? —Yes, I ___it ten minutes ago.

We often have to stay up for our study though we___ to have enough sleep.

Doing exercise for_____ hour every day is good for your _____ uncle.

Do the Smiths live next door to you?—No, but they _________.

Do you like the music Moonlight Sonata?-Yes ,it ______really beautiful.