_____ I cannot understand is _____ she wants to resign her present job.

____ has forced people, especiallywomen, to endure a lot of pain and suffering to make themselves more beautiful

My father __________ born in a small town of Hebei Province.

We had really smoggy December this year — I can’t remember winter when air was polluted so severely

Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2010, _________ are popular with teenagers.