根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。(每空只写一词)
(请将答案写在答题卡上的指定位置)
66．In order to improve his oral English he spent most of his time practising ________ （发音）the words.
67．The boys were fighting, but the teacher ___________(分开) them.
68．China ________ (成功)feeds 22%of the world’s population with only 7% of the world’s land.
69．She_______(划；点燃) a match and lit the candles on the birthday cake.
70．She found she had left her wallet at home immediately she _______(登；上) the plane.
71．Don’t be too _________（挑剔）about food and clothing．
72．She often ________(描述) how she narrowly escaped the earthquake.
73．As soon as they saw the sea, the children shouted in _____________(兴奋).
74．When he _______ （摇头）his head, I knew he didn’t agree with me.
75．It is necessary for high school students to visit _________(博物馆) and broaden their views.