They don’t think advertisements are useful for our daily life, .

______ five donuts? — Five yuan. [ ]

This is film I’ve told you about. Isn’t itwonderful one?——Yes, it’s great.

Wow! How beautiful! _________ flowers are these?—Today is Mother’s Day. They are for _________, Mum.

Who taught ________ to write the computer program?—Nobody. She learned it by __________.