The radio club in our school, which is in ___ charge of He Wei, is much more than just to play _____ music for everyone.
All the neighbours admire this family ____ the parents are treating their child like a friend.
____ is known to everybody, the moon travels round the earth once every month.
I shall never forget the days ____ the Olympic Games were held in Beijing, ____ has a great effect on my life.
Gun control is a subject ____ Americans have argued for a long time.
I travel to the Binhai New Area by light railway every day, ____ do many businessmen who live in downtown Tianjin.