Professor Wang is going to give us a lecture on the history of American literatu

游客2023-11-02 63

问题 Professor Wang is going to give us a lecture on the history of American literature, but when and where ______ yet.

选项 A、aren’t decided
B、hasn’t been decided
C、haven’t decided
D、haven’t been decided

答案 B

解析句末的yet提示此处需要完成时态，且这里的时间和地点应视为一个整体，要用单数形式的完成时被动语态．故选B。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3152730.html

相关试题推荐

随机试题

最新回复(0)

AmericanHistoryisoneoftheelectivestudiesintheuniversity______.A、sched