I WOULD HAVE SENT YOU A POSTCARD IF I…………..YOUR ADDRESS. A. HAV...
5. I would have sent you a postcard if I…………..your address.
A. have known
B. had known
C. know
D. had know
5. I would have sent you a postcard if I…………..your address.
A. have known
B. had known
C. know
D. had know