Last Sunday I climbed to the top of the hill near my home, ______ I could see half of the city.
______on ten years of observation and study, Professor Wang announces that everyone dreams every night, whether they realize it or not.
In the advanced course students must take performance tests at monthly______.
An excellent way to help memory is to connect information with pictures, which_____ as a memory---link method.
To work at home has been made _____ with the development of the Internet.
Let’s keep to the point or we ___________ any decisions.