--___________do you clean the goldfish’s tank?--Three times a week.
Jenny ________ her mother, and her mother _________ very young.
-----Can I help you ? -----Yes, I’d like some________
-------It’s time to have class. Please stop _________. ----- OK.
Mr Brown doesn’t like pop songs , but his daughter _________.
—How’s it going with you, Helen? —_______ .