–Is this your pen? —No, it isn’t. It’s     pen.

I agree with most of what you said, but I don’t agree with ________.　   

找出字母中大小写不一致的选项

—What would you like to eat ?—I don’t mind . __________ what you have .

--- What ________ useful book ! ---Yes, it is. But I found___________ difficult for me to read.