_____ makes that teacher famous is _____ over 92% of his students have been admitted to the state universities.

____ you understand the rule, you willhave no further difficulty.

With time going by, we have come to realize that creativity is _______it takes to keep a nation highly competitive.

Water-skiing and surfing are myfavourite How about you —-I ______surfing to water-skiing

rday, I came across my former classmate, but his name ________ me, which made me embarrassed