He has some acquaintance ____pop music,_____does not know much[ ]

He wanted to read more， so he asked his friend if there was _______ to read.

ElizabethⅡis often to be richest woman in the world. , her personal wealth seems rather small.

Did he break my glass________ — No. Quite by accident.

What should I buy for Tom’s birthday— How about ______camera He loves taking photos.