Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

Câu hỏi

No one told Peter anything, so he was unaware ______________ the whole affair.

A. towards

B. of

C. with

D. of

Đáp án
B. of

Câu hỏi thuộc Bài tập:

E10- I-learn- Unit 4 (2)