1.(2012·郑州高一检测)—Flight 221 ______.I’d better be on my way.Goodbye!
—Bye.Happy landing!
A.was announced B.is being announced
C.has announced D.is announced
2.—Have you handed in your paper yet?
—Yes,I have.I guess it ______ by my tutor now.
A.has graded B.is graded
C.is being graded D.is grading