"Cache" - a collection of items of the same type stored in a hidden or inaccessible place.
Ex; In preparation of the drought, the farmer has stored a sizeable cache of water tanks.
The troops are looking for the former dictator’s cache of gold bars.
When digging in the backyard, I discovered a cache of antique coins.
Did the troops ever find the cache of nuclear weapons?
The archaeologist hopes to find a cache of artifacts on his next dig.
D because propel means to move forward
1. Most people take a plane to Sydney from San Francisco, so they don’t know about the pollution in the ocean.
2. The work was tiring and the crew needed to take a break and relax sometimes.
3. The sun was shining and the sea was calm, so we went small boat fishing.
4. Children learn to think in teams, that when some people play in matches they work well.
5. The number of visitors of Canada’s national parks is getting lower every year.