Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Question 5: Advances in medical science have significantly increased the average life in many countries.
A. expectancy
B. expectation
C. expect
D. expectant
Question 6: Electronic devices such as smartphones and computers blue light, which can disrupt your sleep.
A. give off
B. take in
C. use up
D. get over
Question 7: In recent years, he smoking to improve his lung health.
A. stopped
B. stops
C. has stopped
D. had stopped
Question 8: Parents sometimes face with their children about career choices.
A. agree
B. agreeable
C. agreements
D. disagreements
Question 9: Because of the new school policy, students wear uniforms.
A. can
B. should
C. must
D. have to