Why not _________ your teacher for advice when you don’t know __________ the problems?
He is old enough to ______ himself.Don’t always do everything for him.
_____of his parents is in good health, but______ of them work hard .
—Peter, is there anything else you want to know about China? --- Yes, I’m still wondering _____.
________ great progress you have made! Your mother must be satisfied with you.
Can you tell me _______to talk to and ________to get help when we have problems?