The zoo worker told the visitors that in the case of a highly ______ animal, performance training is easy and not so painstaking. [ ]

When will the railway that connects the two cities open—_____ next year.Only two thirds been built.

下列各句中，与其他几项在句式上不同的一项是（2分）

______ from what he said, he hasn’t ____ life here.

We had no choice but for another whole day.