摘要：Tom into the house when no one . A. slipped; was looking B. had slipped; looked C. slipped; had looked D. was slipping; looked 16. In come parts of the world, tea with milk and sugar. A. is serving B. is served C. serves D. served 17-How long each other before they married? -For about a year. A. have they known; get B. did they know; were going to get C. do they know; are going to get D. had they known; got 18. My dictionary . I have looked for it everywhere but still it. A. has lost; don't find B. is missing; don't find C. has lost; haven't found D. is missing; haven't found 19. Tom ought not to me your secret, but he meant no harm. A. have told B. tell C. be telling D. having told 20.We were all surprised when he made it clear that he office soon. A. leaves B. would leave C. left D. had left 21. -Can I join your club, Dad? -You can when you a bit older. A. get B. will get C. are getting D. will have got

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