AT LAST THE BUS CAME.WE ………..FOR HALF AN HOUR.A-WAITED B-WAS WAITIN...

72- - BAI TAP TRAC NGHIEM VE THI TRONG TIENG ANH
BAI TAP TRAC NGHIEM VE THI TRONG TIENG ANH
72-At last the bus came.We ………..for half an hour.A-waited B-was waiting C-have waited D-had been waiting