My father has a computer, but he doesn’t know to use it. A. what B. how C. who
People ____ more and more useful things to protect the earth since Earth Day was started.
My father decided _____ any more.
Many Chinese children have to take piano lessons, but few of them have ____ in it.
---Peter is ill in hospital. --I'm not ____ to hear that. I've been telling him not to work so late every day!
Linda didn't find ____ she liked and went home with empty hands finally.