________ to sunlight for too much time will do harm to one's skin.
Although this sound like a simple task,great care is needed.
Two—thirds of the money on tents for the homeless people in Wen— chuan.
—This bag is perfect. Miss, how much does it cost? —________, but I don’t work here.
The motorcycle competition in the desert, ________ lasted ten days, is over now.
We didn’t plan to meet. We met ________ in the street.