تست گرامر درس 2 انگلیسی دوازدهم
لطفا برای اطمینان از عملکرد و تجربه بهتر از مرورگرهای مدرن و به روز مانند کروم یا فایرفاکس استفاده کنید.

It was Jane’s birthday. All of her classmates had been invited except George, who had come without invitation with two of his friends, none of ................... had seen before.