Can I have _______ look at the photo of your pen friend

Evidence has been found through years of study______ children’s early sleeping problem likely to continue when they grow up.

下列各句中加横线的成语使用错误的一项是 （ ）

Millie is very_______, so we all want to make _______ with her.

Whose MP5 is this, Tina— It’s _____. My mother bought it for me last Sunday.