Had I known about this computer program, a huge amount of time and energy ________. [ ]

Would you like to watch China’s Got Talent(中国达人秀)—________ But I’m busy revising for my test．

The soldier narrowly escaped ________in thefierce battle

Owingtolackofenoughmarkets, investmentand manpower, the company had to________its business.[ ]

economy in some European countries worsening,many more workers had to be laid off.