The traffic problem we are looking forward to seeing _____should have attracted the local government’s attention[ ]

I am really surprised that a policeman in his car _____ have hit several common pedestrians, killing one and injuring three.— Yes, If one _____ ask for trouble, what can we say?[ ]

Look! Why are there so many people—There are some policemen. I think there ________ a traffic accident.

Thefact has worried many scientists ______ the earth is becoming warmer and warmerthese years.

How do the shops make money if they sell at such low prices? — Manufacturers, it seems, are willing to bring down prices _______ big volume purchases[ ]