ADMICRO

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them:

 If had I known you were in financial difficulty, I would have helped you.

Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án

ZUNIA12
ZUNIA9
AANETWORK