You can eat free in my restaurant _____ you like

______ has been announced, we shall have the singing competition next month.

下面语段中加线的词语,使用不恰当的一项是( )“双节”长假首日,全国各地相当多的高速公路因免费通行成为中国式拥堵中的一道别样风景,专家认为中国高速公路全面取消收费必须循序渐进,不能企求一挥而就。相关机构应该关心的是,免费之后该怎样治理拥堵也不能因噎废食,让拥堵成为继续收费的理由。

After a long walk, they______ pass over the mountain.

Running a company is not ______ a matter of hiring people—they also need to be trained