الرئيسية
/ لغة انجليزية
/ مفردات 2
أسئلة عشوائية
Many unethical companies ________ their waste into rivers.
Many unethical companies ________ their waste into rivers.
Exhaust fumes cause a lot of ________, especially in big cities.
Exhaust fumes cause a lot of ________, especially in big cities.



















