Thanks________ the photo _______your family.[ ]

The homework is too difficult. I can’t do it _____your help.[ ]

Mr. Black isn’t here. He ________ to Chongqing.

Have you found your watch? —No, it is ______to see anything in the hole.

I’m sorry I _______ my English book at home.— That’s all right. Don’t forget to bring it next time.