题目

..50分
1._______,he sat up late preparing the opening speech for Auto Shanghai 2007.
A.as he was tired B.tired though was he C.tired as he was D.it is because he was tired
2.his interest is flying.when studying at Yale University,he _____ set up the Yale Fying club
A.has helped B.had helped C.helped D.was helping
请说明原因,

提问时间：2021-01-21

答案

1.虽然他很疲劳了,但仍熬夜赶写2007年上海汽车展开幕式上的演话稿.
答案：C.tired as he was
2.他的兴趣是飞行.他在耶鲁大学读书期间,他帮助建立了耶鲁飞行俱乐部.
答案：C.helped
这里时态要保持一致,因为是在耶鲁读大学期间,过去时态,所以后面的help也要用过去时态,尽管前面说的是他的爱好为一般现在时态