---Is your uncle Tom a soldier? --- No, but he once _____ in the army for 4 years.
The recent research attempts to the effectiveness of different drugs used for the new virus.
It is for all drivers not to drive after drinking, otherwise, they would be put into jail.
The manager demanded that the report of the committee be printed without any .
His carelessness may well his failure in the final interview.
Hardly any people believe that a(n) meeting will lead to an enduring love.