题目

阅读下面句子，掌握其大意，并根据所给首字母的提示，在标有题号的右边横线上写出一个英语单词的完整、正确形式，句子通顺有意义。 76. To succeed, we must c___________talent with working hard. 77. Children are always full of c_______; they want to know everything. 78. The boy lifted the heavy stone with all his s_______. 79. Working does good to our health. That is , Everyone b_______ a lot from working. 80. The speed of cars and trucks is l_____ to 30 kilometers per hour in large cities. 81. Does it helpful to d________ your sadness in win7．一个长方形相框，长是$\frac{7}{10}$m，宽是$\frac{8}{25}$m，做这个相框需要木条多少米？如果要给这个相框镶上玻璃，需要玻璃多少平方米？