Mary knew how busy I was. She offered to help me.
29/50
Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
Mary knew how busy I was. She offered to help me.
Because Mary knew my business, she offered to help me.
Knowing how busy I was, Mary offered to help me.
Mary knew how I was busy and offered to help me.
Having known how busy I was, Mary offered to help me.
Giải thích
Đáp án C