-----Which is ___, the sun, the earth or the moon?-- --- Of course, the sun
--Thank you ___________ your English book. -- ____________.
-- ___________, is this your ruler? – Yes, it is. Thank you.
I don’t eat ice-cream. I don’t want ___________.
My keys ________in my schoolbag. This set of keys _______ Alan’s.
David, let’s ___________ after school, OK?