Man must keep in mind that it will be years ________ the earth recovers from the damage he makes to it.[ ]

and gentlemen, please fasten your seat belts The plane _____

We can’t ________ against other countries in trade if we don’t develop our national economy. [ ]

If the magazine is online, paper.

Hi, Mark How was the musical evening?— Excellent! Ales and Andy performed _____ and they won the first prize [ ]