______ to speak at the convention, Dr. Smith prepared some notes.A、Being askedB

游客2024-10-16  0

问题 ______ to speak at the convention, Dr. Smith prepared some notes.

选项 A、Being asked
B、Has been asked
C、Having been asked
D、Is asked

答案 C

解析
转载请注明原文地址:https://tihaiku.com/zcyy/3803762.html
最新回复(0)