In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
Never write down a phonetic.
every page of the dictionary, and the student should refer to this._______. without fully understanding its meaning in every detail. A key to the various marks will be._______. In the front part of the dictionary there will also be found an. at the bottom of _of all
possible sounds that any letter may have, and every sound that any letter may have may be indicated by a peculiar mark, the same sound there are a variety of symbols for the same sound. should refer to this__________ In the front part

Options

A. frequency
B. frequently
C. frequent
D. frequenting

Answer

B