??【Raz-A-13】?食物?蔬菜。 13 Vegetables (RAZ A) 這是蔬菜。 ☆This/These be xx. This/These is/are (a) potato/broccoli/lettuce/corn/chile pepper/cabbage/carrots/vegetables. 3種情況: this is + 不可數(shù)名詞. this is a/an + 可數(shù)名詞單數(shù). these are + 可數(shù)名詞復(fù)數(shù). 不可數(shù)名詞:bro...