John did quite well in his exams, _____ how little he studied. [ ]

______ the danger from wars, people had to deal with a shortage of food, clothing, fuel and almost everything

________ is known to us all is that the 2016 Olympic Games will take place in Rio de Janeiro.

Are there any English story books for us students in the library?—There are only a few, ____________.

Their newhouse by the river.