BECAUSE PLASTIC BAGSARE VERY HARD TO... . THEY WILL CAUSE POLLUTIO...

54. - MOT SO BT TRAC NGHIEM KY 2 ANH 9
MOT SO BT TRAC NGHIEM KY 2 ANH 9
54. Because plastic bagsare very hard to... . They will cause pollution. a. dissolve b. wrap c. tear d. collect