--Why won't you go to the movie with me?--Because I________i
--Why won't you go to the movie with me?--Because I________it twice. A.saw B.have seen 选哪个?为什么? --few famous singers came to the concert,did they? --______.such as Andy Lau,Jay Chou and krist zhang. A.NO,they didn't B.yes,they did C.no,they did D.yes,they didn't 怎么解?有时候让你填did they那个空,这种否定肯定题目到底要怎么做?