z结尾的单词复数es举例

　　This course includes study materials, problem sets, and quizzes with solutions.

　　本课程包括研习资料、问题集锦和测验题附解答。

　　Three quizzes and a final exam are given in this course.

　　本课程将有三次测验和一次期末考试。

　　The teacher gave us a pile of quizzes to do.

　　老师给我们布置了很多测验做。

　　Below are review materials for many of the quizzes and lessons.

　　以下所列包含了大部分的`测验与课堂复习资料。

　　Since I have so many quizzes come up we may wind up even good enemy.

　　我还有许多测验要考，没准我们最后能成为不错的敌人。