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a) Áp dụng tính chất của dãy tỉ số bằng nhau:

b) Áp dụng tính chất của dãy tỉ số bằng nhau:

.

27. He said to me, “Did you invite Judy and Pat?”
……He asked me if I had invited Judy and Pat…………………………………
28. I asked the policeman, “Can I park my car in West Street?”
……I asked the policeman if I could park my car in West Street…………………………………
29. He asked, “Are you enjoying yourself?”
……He asked if I was enjoying myself …………………………………
30. She asked him, “Have you finished your exams?”
…………She asked him if he had finished his exams……………………………
31. “Which book did you take?” asked Tom.
…………Tom asked which book I had taken……………………………
32. “When are you coming back?” I asked her.
………I asked her when she was coming back………………………………
33. “When did you telephone your mother?” asked Mary.
…………Mary asked when I had telephone my mother……………………………
34. “How long does the train take?” asked Ann.
…………Ann asked how long the train took……………………………
35. “How far do I have to walk?” she asked.
…………She asked how far she had to walk……………………………
36. “What are you doing?” he asked.
…………He asked what I was doing……………………………
37. “Why are you so late?” the teacher asked him.
………The teacher asked him why he was so late……