141. The student thought the course is very boring so he began to play some trick on his desk mate.这名学生觉得这门课程非常无聊，所以他开始去恶作剧他的同桌。142. Every time I passed this way, I walked with a quick step because I was afraid the dog might bite me even though it was lock.每次我经过这条路，我都加快脚步，由于我恐怕那条狗 或许会要我即便它被锁住了。143. Both his teachers and parents thought he was very foolish because he couldnt count up to ten at an early age .他的老师和爸爸妈妈都觉得他非常傻，由于他小时候数数都数不到十。144. When the danger comes, the male elephants will form a circle and shake their big ears to protect their children.当危险到来时，雄性大象会形成一个圈，然后摇动他们的大耳朵 来保护他们的孩子。145. My brown bicycle went wrong at the TOP of the hill so I had to push it all way down.我的棕色的自行车在山丘顶上坏了，所以我不能不把他一路推下来。146. Though the honest boy was born in Africa, he went to America by ship and wished that he could rely on himself in America.虽然这个诚实的男生出生于非洲， 但他乘船来到美国并 期望在美国能自食其力。147. They still remembered that after dinner, they ever used to play Chinese chess under the street lamp while eating the pears .他们仍记得以前常常在晚饭过后， 坐在路灯下边下象 棋边吃梨的情景。148. Although I had read the book several times, I still failed to understand its title .虽然我已经 把这篇文章读了几遍，但我仍没办法理解他的标题。149. The weather throughout the world becomes more changeable so the scientist decided to adopt new ways to forecast it. 全世界的天气都变化多端， 所以科学家决定采取新的办法 来预报。150. The river is not only wide but also about eight kilometers in length so you can always see a lot of boats on it.这条河不只宽而且有 8000 米长，所以你总能看见很多小船在河上。
