(届安徽省马鞍山市高三第一次教学质量检测英语试卷)The new education system is said to be _______ to the successful development of the country.
Shortly after the accident, two___________ police were sent to the spot to keep order.
Mr. Zhang gave all textbooks to all the pupils, except___________ who had already taken tem.
Besides Tom, ________ Crosettes have two other sons, __________ of whom are all interested in making model planes.
Nobody noticed the thief slip into the house because the lights happened to__________.
—What do you think we can do for our aged parents?—You __________ do anything except to be with them and be yourself.