South Korea is a world leader in the telecommunications industry and Sumsung is already a name _____throughout the world[ ]

How can you keep slim as a mother of two sons?—I _______ in the gym for years

Only when class began ______that he hadleft his book at home．

We have raised some money and heavy clothes for the survivors in the earthquake________ they can go through the coming winter safely

I want to go ________ for my winter vacation.