y after the book Uncle Tom’sCabin________, the Civil War of America________

has got ________ it takes to be a great tennis player. In other words, she has the potential to become world famous.

下列各句中，没有语病的一句是（ ）

This doubt had been in my mind for some time, but the research still went on _____some reasons.[ ]

I didn’t want to talk about that________ thephone.