Most objects at home are (15)___ for young children. Adult people must put all chemicals and drugs in (16)____cupboards because they look like candy. The kitchen is not a (17)_______.place for children to play without their parents' observation. There are many objects which can be harmful to the children; (18)______ adult people have to keep these things out of their children's reach. 15 A unsafe B Different C unpopular D difficlut 16 A opened B open C locked D lock 17 A suit B suitable C suitably D suitability 18 A although B For example C Therefore D but