国家开放大学 / 理工英语3
— What is the training about?
— _ _ _ _ _ _ _
A. It is about the latest flood-proof design of hours.
B. It is about one month.
C. It is nothing.
— _ _ _ _ _ _ _
A. It is about the latest flood-proof design of hours.
B. It is about one month.
C. It is nothing.
参考答案：
佳题速递：