A.No.I heard a lot of noiseB.Yes,I didn’t hear any noiseC.Yes.I didn’t hear youD.No.I didn’t hear a thing
A.I’m glad you enjoyed it.B.Oh,I’m afraid I didn’t cook very well.C.Come again when you are free.D.It’s not necessary for you to say so.
A.laughB.laughingC.to laughD.laughed