Our teacher told us light _________ much faster than sound .
.---It’s a fine day. Why don’t you go camping with us?----________. Let’s go.
I often go to school ________.
----________ is it from your home to your school? ---- About 10 minutes’ walk.
Come here after class, I have ______ to tell you.
----I’m going to Tibet for vacation. ----__________.