______ which school was suitable for their son, the parents visited lots of different primary schools in the city.

Everyone of us has many responsibilities ______us．So we must work hard．

Before they went to Qingdao, their parents gave them _______________ on the trip.

There are plenty of jobs ______ in the western part of r country.[ ]

Just_____ those thoughts from your mind——they’re crazyand not worth thinking about．