WE ARE DELIGHTED (RECEIVE) ………TO RECEIVE…...YOUR LETTER.

1. - BAI KIEM TRA TIENG ANH 6 THI DIEM 45 LAN 3
BAI KIEM TRA TIENG ANH 6 THI DIEM 45 LAN 3
1. We are delighted (receive) ………to receive…...your letter.