Proper first aid can save a seriously injured person，especially when he or she is bleeding heavily or______

Today our knowledge of food and what it does for our bodies is far more ________ than that of the old times. [ ]

So quickly ____________ that what is a possibility today may be a reality tomorrow[ ]

What a great grade Jane got in the Maths test!—_______. She works the hardest in our class.

Mike, what were your parents doing at 8:00 last night—My mother was reading________ my father was playing computer games.