She wandered into the ___ ground to play and was injured by rusty metal.

Eisenhower made the elementary point that they really should agree to stop such ___ rivalry but they failed.

Do not make unnecessarily long calls as they are ___. 

<...> he admitted that the country was not prospering, describing the economy as ___, inefficient and environmentally destructive.

Without intricate and detailed planning the construction of a building would be slow, ___ and chaotic.

I shall await your reply with some anxiety, for if our letters go into the ___ paper basket we shall be unable to continue our many services for the benefit of those who are blind.

The awakening of interest in green issues has meant that WasteWatch in its second year of operation, has seen a dramatic increase in enquiries on ___ recycling. 

Mathematics or Language or Science programmes for young children must be accompanied by suggestions for the use of ___ materials such as cartons, empty milk tins, bottles and bottle tops even in the knowledge that in many areas these are impossible to come by <...>.

It would be ___ not to make use of the children's interest in their dramatic play to do some work on counting.