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

Tim: “ ______________ do you tidy your room?” – Tina: “Twice a week.”

Đáp án
D. How often

Câu hỏi thuộc Bài tập:

E10- I-learn- Unit 1 (2)