For quite____________ students, their teacher’s advice is more important than___________ of their parents’.
It is not until recently ______ the scientists have found proof of there being water on Mars.
______ our horizons of thinking, but it also saves us time and energy.
An excellent way to help memory is to connect information with pictures, which ______ as a memory-link method.
Air bags for cars were invented _____ lives. Without them more people would be injured in car accidents.
Last year John earned _______ his brother did, who has a better position in a bigger company.