---What _____ heavy rain it was!---Yes, but I love _____ air after it rains. It smells so fresh.
--Have you done your homework ? --Yes, I _____ it ten minutes ago. A. finish B. have finished C. finished
Nothing _________ difficult if you work hard. A. am B. is C. are
--How many people will come to Beijing this year? --It’s hard to say ._________ people, I think. A. Three millions B. Three millions of C. Millions of
I can’t stand __________for buses so long. A. to wait B. waitingC. waits
--Is there ________in today’s newspaper? --No , nothing is important. A. anything important B. important anything C. something important