–Your MP4 is so nice. How much is it? -lt _____ me¥500. A. paid B. spent C. cost
–Have you finished your homework yet? --Yes, I ________ it twenty minutes ago.
What a nice day! You should go sightseeing ___________ watching TV at home.
You’ll ___________ swim when summer comes.
I saw Sam __________ football when I passed the playground.
There is so much rubbish.Could you ____________?