Google
Câu hỏi: 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.
Our principal is that everyone has to join hands to do the housework.
A. principal
B. has to
C. hands
D. do
Our principal is that everyone has to join hands to do the housework.
A. principal
B. has to
C. hands
D. do
Đáp án A sai nghĩa; principal(người đứng đầu, hiệu trưởng) => principle (nguyên tắc)
Đáp án A.