Do you have any more bags of this size — I’ sorry we’ve sold ________ but this one

Why do you often take exercise —_____ me keep fit.

I am going to visit the Great Wall tomorrow.—_______.

Jenny took off her________.  She wanted to feel the grass with her feet.

Does my question sound ______enough— I don’t think so. You can ask more______ by using “could” instead of “can”.