they are in red skirts改为单数

they are in red skirts改为单数 They are w__ teachers.they are often in nice skirts. they are waitresses(改为单数 they are apples改为单数 They are oranges 改为单数 There are some apples in the red bag.(改为单数句) he twins ________ red skirts today．They look fine． A．are wea skirts in red and purple的中文翻译 they are English books.(改为单数形式) They are his friends改为单数形式 they are orange sweaters 改为单数句 They are Chinese【改为单数形式】