HAVE PLAYING -> HAVE PLAYED 5. WAS -> WERE III) 0,5 X 4 = 2,0...

4. - KIEM TRA ANH 9 LAN 1
KIEM TRA ANH 9 LAN 1

4. have playing -> have played 5. was -> were

III) 0,5 x 4 = 2,0 m