Sorry, I don’t know the answer _______ thequestion_______ it is too hard.

They will call us as soon as they ______there.

Many animals _____________the same fate as the largeextinct elephant because of the environment.

hem the basic proposal and what they can gain,and ______ the big details unless they request for more information

下列各句中加线词语的意义与现代汉语相同的一项是（ ）