The engine of the bus was out of order, and the bad weather _____ the worry of the passengers.
______ 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.
With his good sense of direction, he _____ quickly and easily get round in the new city.