. THE BIRTHDAY PARTY WAS TOO NOISY. WE WENT TO IT LAST SUNDAY. ( OM...

4. - KTRA 1 TIET LAN 4 CO DAP AN
KTRA 1 TIET LAN 4 CO DAP AN
4. . The birthday party was too noisy. We went to it last Sunday. ( OMISSION RELATIVE PRONOUN)………