—Flight 331______.I'd better be on my way.Good bye.—Bye.Happy landing!

分类: 作业答案 • 2022-03-23 18:54:12

问题描述：

—Flight 331______.I'd better be on my way.Good bye.—Bye.Happy landing!
A .is announced B.is announcing C.has announced D.is being announced

答