三句中翻英求教.

题目

三句中翻英求教.
1.基于当时他看到的情况,他确信完成这项工程将会有一场长期的艰苦的奋斗（convince）
2.汽车应该为城里的大部分烟雾负责,那是很严重的污染物（which）
3.隔壁的小男孩整个早上都在敲鼓,使我很心烦以至于无法集中精力学习（concentrate）

答案

1 On the ground that he saw the condition, he was convinced that there would be a long and hard time for finishing the project.2 The automobiles should answer for most smog in cities, which is very ...