----- Nội dung ảnh ----- 45. We managed to dig the Panama canal. → We II. Rewrite each of the following sentences using the given words so that it keeps the same meanings. Do not change the form of the words given. 46. It took Mary 3 hours to travel to Ha Long Bay last Sunday. (SPENT) 47. I fell asleep because the film was boring. (SUCH) 48. I had better go back to work. (TIME) 49. The black dress is more expensive than the red one. (CHEAPER) 50. The film about my village is more interesting than the book. (NOT)