______ TO THE PARTY, WE COULD HARDLY REFUSE TO GO. A. HAVING INVIT...

20. - ON TAP KIEM TRA 1T U4U6
ON TAP KIEM TRA 1T U4U6

20.

______ to the party, we could hardly refuse to go. A. Having invited B. To have invitedC. Having been invited D. To have been invited