Do you know sound travels very fast—-Yes. But light travels _______ sound.

All of us wi ll take the entrance exam for the senior high school(中考) in June.—____________.

is unpleasant, _____ when you aretrying to sleep.

Would you _____ a game of table tennis, Cathy?—I’d love to, but I still have piles of homework to do.

The boy _____ his hand and asked if the sun ______ in the east every day.