—What is the Group G8?—Oh, it is a group ________ the eight of the richest countries or areas of the world.
A bank is the place __________ they lend you an umbrella in fair weather and ask for it back when it begins to rain.
Whatever is left over may be put into the refrigerator,__________ it will keep for two or three weeks.
Mary was much kinder to Jack than she was to the others,__________,of course, made all the others upset.
The children,__________ had played the whole day long, were worn out.
He wrote a letter __________ he explained what had happened in the accident.