Fill in the blanks using the following expressions.
1. gem
2. reservoir
3. directives
4. encapsulates
5. running to

1. The encyclopedia is a huge work, ___ 20 volumes.
2. The EU has issued a new set of ___ on pollution.
3. Her most recent book is a real ___.
4. We can tap into the vast ___ of information available on the internet.
5. The poem ___ (= sum up) many of the central themes of her writing.

The answer key
1. running to
2. directives
3. gem
4. reservoir
5. encapsulates