Answer:
It can teach the meaning of words and their roots.
Explanation:
The choices are:
-It can offer suggestions for synonyms and antonyms.
-It can teach the meaning of words and their roots.
-It can make selections regarding the best words.
-It can provide research to explain prepositional phrases.
Explanation: The basic function of a dictionary is to spell and define words. It also may help with the pronunciation, grammatical forms and functions of words too.