If you want to know the meaning of the word you’d better look it up in the dictionary.A.

问题补充：

If you want to know the meaning of the word, you’d better look it up in the dictionary.

A. mostly

B. exactly

C. nearly

D. hardly

答案：

A. mostly

(答案→)B. exactly

C. nearly

D. hardly

解析：词义辨析：mostly大多；exactly完全；nearly几乎；hardly几乎不。根据句意，选B：如果你想知道这个词的意思，你最好查字典。