It is a photo of my family.(改为否定句)

问题描述:

It is a photo of my family.(改为否定句)
These are oranges.(改为单数)

It is a photo of my family.(改为否定句):It is not a photo of my family.These are oranges.(改为单数):this is an orange.Is,are,was,were等Be动词都是直接在其后加not改为否定句.this的复数对应为:these.th...