根据所给的汉语写出单词,使句子意思完整正确。 51. We should develop ▲ (现代的) services and tourism in our country. 52. Don’t lose ▲ (勇气) whenever you are in trouble. 53. Although Zhou Dongyu is a new actress, she ▲ (表演) very well. 54. Mr Green won’t mind ▲ (留出) you two hours tomorrow morning. 55. It’s bad for your health to go to school ▲ (没有) breakfast every morning. 56. Look at the sign!We are not ▲ (允许) to park cars here. 57. It is ▲ (不可能) for her to finish the work in half an hour.
答案:51. modern 52. courage 53. acts/performs 54. sparing 55. without 56. allowed 57. impossible