Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
His flat looks so _______ that it is difficult to believe he had just had a party last night.
A. safe and sound
B. sick and tired
C. spick and span
D. by and large
Đáp án C
Safe and sound: an toàn
Spick and span: sạch sẽ gọn gàng
By and large: nhìn chung