Quite a few people like traveling, for it can increase their knowledge and broaden their _____.
More and more foreign students come to China to learn________ Chinese language.
In order to catch up with her classmates, _____.
—Do remember to watch out for cars while crossing the street. —_____.
—_____ that he picked up his uncle at the airport? —It was at 6:00 in the afternoon _____ he got off work.
Fans from miles around crowded into the stadium for the concert of Jay Chou on September 4th, 2012, _____ are popular with teenagers.