______ the police thought he was the most likely one, since they had no exact proof about it, t hey could not arrest him.
We __________ our lives had it not been for the policeman.
What way are you thinking of __________ rid of the flies?
Research universities have to keep up with the latest computer and scientific hardware __________ price.
It has been made __________ public that anyone who does harm to the environment in __________ public places will be blamed by __________ public.
—How do you__________ we go to Beijing for our holidays? —I think we’d better fly there. It’s much more comfortable.