Mark the underlined word(s) or phrase(s) A, B, Cor D that needs correcting.
It is difficult to write rules that tell exactly when we should apologize, and it is not difficult to learn how.
A.exactly
B.to write
C.and
D.how
It is difficult to write rules that tell exactly when we should apologize, and it is not difficult to learn how.
A.exactly
B.to write
C.and
D.how
Loga
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