DID YOU REMEMBER TO INVITE OUR GUESTS

20. - DE KIEM TRA SO 410 DUC CANHQUANGLA
DE KIEM TRA SO 410 DUC CANHQUANGLA

20. Tom: Did you remember to invite our guests ?

Mary: Oh, no . I forgot . I _________ them now.

A. will phone

B. phone

C. am going to phone D. have phoned