Mark the letter A, B, C or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.
Parents can help (A) to solve their children’s (B) learn problems by (C) volunteering in (D) the classroom
A. to solve
B. learn problems
C. volunteering
D. the
Đáp ánB Learning problem = vấn đề về học tập. Sửa B: learning