_____ years ago, people first began to drink tea in China.
I like , but I don’t want now.A、reading; readingB、reading; to readC、to read; reading.
I’m so tired that I can ____ run.A、always B、hardly C、sometimes
—_____do you go shopping? —Six times a month.A、How much B、How long C、How often
What happened _____ them?
Five million, five hundred and fifteen thousand ,one hundred and fifty-one is _____.