I’m told that languagepractising.com is a free website _______learners can not just learn various languages but also chat online.
The experiment shows that proper amounts of exercise, if regularly, can improve our health.
The incident turned him into different person, even if he did not realize it at beginning.
For holidays, many people visit the Great Barrier Reef _______ the northeast coast of Australia, _______ has more than 600 islands.
After 1953 _______ people have succeeded in climbing the mountain.
The gap between rural and urban education in China is widening, and education is the key to _____ rural problems.