She is D．to be spent

______ to improve oral English, I make great efforts and spend as much time as possible practicing it.

下列各句中加线的成语，使用恰当的一项是（ ）

"There is ________ in today’s newspaper, so youneedn’t read it," the father says to his son.

We are not ready to go into production yet.The new machine isn’t fully_____.