问题详情：
51. We students should _________( 尊敬 ) our teachers.
52. I tried to persuade my classmates to ________( 支持 ) my plan.
53. He sat silently by the window, _______( 集中注意力 ) on the beautiful scenery outside.
54. To ______(减少) pollution, they decided to walk to work.
55. What he said was ________( 令人信服的 ), so everyone agreed with his opinion.
56. He ______( 导演 ) two films last year.
57. They felt nervous because of the _______( 接近的 ) examination.
we all know, a dove _______( 象征 ) peace.
59. The little boy _______( 摆动 ) his arms as he walked.
60. It’s cheaper if you book your ticket in _______( 提前).
【回答】
51. respect ort 53. focusing 54. reduce 55. convincing
56. directed 57. approaching 58. represents 59. swung
60. advance
61. In general 62. carry on 63. pick out 64. refer to off
知识点：其他
题型：单词拼写
