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
网友回答
(答案→)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
解析：可联系答.案.网客服索取。