【用戶】熊熊讚
【年級】高三下
【評論內容】a variety of +複數名詞,後面要用複數動詞。 Skin implants were carried out in the 19th century from (23) animals, with frogs being the most popular. 19 世紀,人們對 (23) 種動物進行了皮膚移植,其中青蛙最受歡迎。