HE ………..(COLLECT) STAMPS FROM MANY COUNTRIES SINCE HE ….(BE) EIGHT.

4. - DE KIEM TRA 1 TIET TIENG ANH LOP 8 BAI 1
DE KIEM TRA 1 TIET TIENG ANH LOP 8 BAI 1
4. He ………..(collect) stamps from many countries since he ….(be) eight.