People have planted a great many trees in order to________wind and sand in the desert.[ ]

Here are some . Do you like

The smelly water has been found_______ and no longer usable until the chemicals and wastes are removed from it.

Shoppers are also less likely to queue for long if the item they are buying is of low value, and ____ food and drink shopkeepers are having to find new ways to deliver good customer service.

How did theaccident happen —The car wentout of___ control and rushed into___ truck ahead of it.