We teenagers shouldn’t be impatient _____ our own problems. _____ they are solved, we can never give up.
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? —_______ .