0  438359  438367  438373  438377  438383  438385  438389  438395  438397  438403  438409  438413  438415  438419  438425  438427  438433  438437  438439  438443  438445  438449  438451  438453  438454  438455  438457  438458  438459  438461  438463  438467  438469  438473  438475  438479  438485  438487  438493  438497  438499  438503  438509  438515  438517  438523  438527  438529  438535  438539  438545  438553  447090 

47. No pains, no gains.           48. at stake

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45. to one’s joy              46. was to do sth            

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43. come to an end            44. make a decision

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41. lose one’s way             42. in (desperate) need of             

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39. leave behind             40. set off/ set out / set about

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37. many years to come          38. give sb the idea to do sth

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35. common sense             36. have no chance of

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33. cast away              34. in pairs              

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31.take it easy              32. keep up              

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29. lose heart= lose courage        30. fail to do sth            

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同步练习册答案