A. Explain the meaning of the following:

​

​

- prosperity

​- underlying

​- drought

​- famine

​- at the expense of sb

​- observation

​- fluctuation

​- shiftless

​- exclusive

​- think ahead

​- skyrocket

​

​B. Please make a sentence using the following:

​

- prosperity (ex: A country's future prosperity depends, to an extent, upon the quality of education of its people.)

​- underlying (ex: On the surface it's a very funny novel but it does have a more serious underlying theme.)

​- drought (ex:And so when these terrible droughts hit and production drops, this echoes around the globe.)

​- famine (ex: They'd save mankind by solving intractable problems, including famine, disease and war.)

​- at the expense of sb (ex: He had no need to protect their reputation at the expense of his own.)

​- observation (ex: She was admitted to the hospital for observation so that doctors could watch her and see if anything was wrong with her.)

​- fluctuation (ex: There are many issues that are likely to cause fluctuation in fish stocks.)

​- shiftless (ex: His father was a shiftless adventurer, following several professions and occupations in turn without even ordinary success in any.)

​- exclusive (ex: This room is for the exclusive use of guests.)

​- think ahead (ex: The new year is a natural time to think ahead and make plans for the future.)

​- skyrocket (ex: Housing prices have skyrocketed in recent months.)