_______— does the history lesson start?—At nine o'clock. Let's go at once.A. What B. When C. How
They all think the problem needn’t _________. It isn’t worth _________ at all.
Kate __________ the hills __________ when she was young.
---Susan didn’t like popular music very much, did she? --- ___________now.
Thank you for your _________. They are of great _________ to me.
I met a friend of mine _________ I was walking along the street.