Fill in the blanks using the following expressions.

1. significance
2. about
3. retreat
4. uncover
5. unanimous

1. My father was meticulous ___ his appearance.
2. It will be difficult to ___ the truth.
3. Do these symbols have any particular ___?
4. She was the ___ choice of the selection committee.
5. The army was forced to ___ after suffering heavy losses.

The answer key
1. about
2. uncover
3. significance
4. unanimous
5. retreat