Global warming caused by human being’s casual behaviour has become a major _______ for people all over the world.
As parents, we should try to understand _______ our children’s real interests lie instead of blaming them for bad marks.
—The traffic is heavy now, so Mikecome late. —Let’s wait ten more minutes.
When to danger and conflict, men tend to increase blood pressure,nervous and anxious.
The attempt and insistence on purchasing the Diaoyu Islands by Japan will ______ harm China-Japan ties.
I have bought a good book, ______ that will surely interest of the students.