Q605
Once you learn how to write a well structured paragraph, the next thing . . . . . . . . done is editing your draft.
A.
has to be
B.
have to be
C.
to be
AnswerD.
was
Answer: Option C
Solution
Answer: Option C
Solution:
The verb 'to be' is used as an auxiliary to form passive tenses. In this case, the auxiliary 'be' is followed by the past participle of a verb.