Nowadays it is difficult for people to find ______ work in theworld because _________ economic situation is very serious

The college students must study hardtoa good knowledge of advancedinformation technology

opinion, we need to begin ______ we stoppedyesterday to ensure we won’t miss anything

With his lips still _______ ，he couldn’t say a word．

Tom, how about going for a picnic thisweekend— _________. I love getting close tonature.