12.—Most of my friends do the shopping online,—That’s really a good idea. Prices of goods _______ online can be lower than store prices.

__________ important for children __________ on themselves.

He had been________absorbed in watching the car passing by that he didn’t notice his friends coming[ ]

__________ is it from Wuxi to Sanya and how much does it __________ to fly there

rage, the footprints discovered are 14 to 18 inches long, 5-9 inches wide and much larger than ____ of a human.