It is most _____that the environmentalists will come to the area to investigate the possible damage caused by the serious pollution.

I spent most of my money in the first week and________ had very little to eat by the end of the holiday. 

According to Wang Lijun, Chongqing’s former vice-mayor and police chief, Bo Xilai seemed to have been involved in helping himself _______seek personal gains in the past.

Since David ______ downloaded a virus into his computer, he can not open the file now.

(2013·福建泉州七中模拟)Whatever background you come from, you can be ________ successful with your hard work like many others.