Section 3: 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.
Question 5: Grammy-winning singer Christina Aguilera has arrived in Hanoi ahead of its show at the Hanoi Opera House on Tuesday.
A. in B. has C. the D. its
Question 6: Twitter CEO Elon Musk launches a poll on the social media platform last Sunday asking users whether he should step down as head of the company.
A. asking B. he C. as D. launches
Question 7: There has been an appreciative drop in the number of unemployed people since the new government came to power.
A. unemployed B. since C. appreciative D. in