The flu is believed _______ by viruses that like to reproduce in the cells inside the human nose and throat.
Don't think of the exam. _____, it has been passed quite a few days.
Having lived in the own for many years, Mr. Smith no longer felt among the local people.
The cousins are alike in age, but they are as different as day and night.
He has been here in this modern city for, just a few days, and he is about night life in this city.
As long as we present in spreading scientific knowledge among the masses, all the strange beliefs are to go out of our life.