选择题：119. I was giving a talk to a large group of peopl

题目内容：
119. I was giving a talk to a large group of people，the same talk I ___to half a dozen other groups before. 我给一个大团体进行讲座，同样的讲座之前我给其他一些团体讲过。
B.was giving
C.am giving
D.had given
E.have given
参考答案：

112. With his work completed, the manager stepped

112. With his work completed, the manager stepped back to his seat, feeling plea

分类：东华大学大学英语4  题型：选择题
查看答案

[填空题,2分] 双子叶植物的保卫细胞呈________________形。

[填空题,2分] 双子叶植物的保卫细胞呈________________形。

分类：东华大学大学英语4  题型：选择题
查看答案

[填空题,2分] 被子植物的种子依据胚乳的有无，分为_____和无胚乳种子两种类型。

[填空题,2分] 被子植物的种子依据胚乳的有无，分为_____和无胚乳种子两种类型。

分类：东华大学大学英语4  题型：选择题
查看答案