If the patient's nasal problem does not show signs of improvement _____ two days, he should visit the clinic again.

Question 1

A. because of

Answer

A. because of

Question 2

B. regarding

Answer

B. regarding

Question 3

D. within

Answer

D. within

Question 4

C. apart from

Answer

C. apart from

Câu hỏi: If the patient's nasal problem does not show signs of improvement _____ two days, he should visit the clinic again.