3.—Hello.Could I speak to Tom,please?
—This is Tom speaking.
—Oh,it's great.But I ________ your voice just now.
A.didn't know B.didn't recognize C.don't know D.don't recognize
—This is Tom speaking.
—Oh,it's great.But I ________ your voice just now.
A.didn't know B.didn't recognize C.don't know D.don't recognize











