Fill in the blanks with this, these, that, those 1.______ is a rubber 2.______ are rulers 3.______ are pencils 4.______ is a book 5.______ are blackboards 6.______ is a schoolbag 7.______ is a pen помогите пожалуйста
1)this 2)those3)this 4)this 5)that6)this 7)this
спасибо большое