Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences given.

Câu hỏi

We have advised you on how to cut down your energy use. We remember that.

Đáp án
C. We remember having advised you on how to decrease your energy use.

Câu hỏi thuộc Bài tập:

E11- GS- Unit 5- Practice 3