______ is _____ the students to find out the meaning and the usage of new words.
A. What a dictionary does; help B. What dictionary does; to help
C. How a dictionary does; help D. All that a dictionary does; helps
______ is _____ the students to find out the meaning and the usage of new words.
A. What a dictionary does; help B. What dictionary does; to help
C. How a dictionary does; help D. All that a dictionary does; helps
A