________ the fact that they were in trouble, they still managed to help us with some money

It is said that Nanjing Metro Line 3 ________ at the end of 2014.—That’s great! It will be much easier for more people to go out.

Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom [ ]

The study of nearly 10,000 people showed that those who drank more than two cups of coffee or tea per day developed the disease at half the rate of those who drank _________ than one cup each day.

Many people, some of ______ are not overweight at all, are always going on diets or taking weight-loss pills, _____ are often dangerous.