A terrible earthquake struck Sichuan Province on May 12, _____ tens of thousands of lives.
--How far apart do they live ? ---_____ I know, they live in the same neighborhood.
---How did you_____ the old valuable house? ---It used to be_____ my uncle. He left it to me in his will.
______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.