下列各句中，没有错别字的一项是

The committee is discussing the problem right now. It will ________ have been solved by the end of next week.

不明飞行物的英文缩写是 。

The beauty of this career is that it allows us to________our interest with our work, gaining freedom and happiness in the process. [ ]

Passengers are permittedonly one piece of hand luggage onto the plane.