20. If I had known the college entrance exam was so difficult, I __________ harder.
(A) study
(B) had studied
(C) would have studied
(D) would have been studying

16. If you saw an interesting job vacancy, what __________? (A) will you do (B) would you do (C) do you do (D) did you do

17. Daniel __________ walk to school when he was in senior high school, but now he is a university student and has to ride a motorcycle. (A) used to (B) is used to (C) is using to (D) was using to

18. Jonathan avoids __________ exercise whenever possible because he is a couch potato.(A) doing(B) to do(C) being done(D) do

19. My brother, __________ a master's degree in France, speaks excellent French.(A) gets(B) has got(C) who gets(D) who got

21. Which sentence best summarizes the main idea of the news story?(A)America has the highest Coronavirus infection rate, but has so far prevented mutations of the virus.(B)Many countries are discovering more deadly variants of the coronavirus.(C)It is important to close borders to reduce the spread of a new variant of the coronavirus.(D)A new variant of the Coronavirus is more contagious and may already be in America.

22. Where has a new more contagious SARS-CoV2 variant of the coronavirus been detected?(A)New York(B)The United Kingdom(C)South America(D)Mainland Europe

23. Why are US public health experts not very concerned by the new variant?(A)Flights to and from the UK have been cancelled.(B)People in the USA are developing immunity from coronavirus.(C)This was anticipated by health experts and vaccine developers.(D)The US healthcare system is coping extremely well with coronavirus cases.

24. What is suggested as an alternative explanation for the increased number of mutated strains of coronavirus?(A)Genetic variation(B)The cold winter weather(C)Human behavior(D)The strain on the healthcare system

25. In the second paragraph "pull the trigger on" means... (A)To commit to something (B)To destroy something (C)To take something under consideration (D)To shoot something

26. According to the passage, what was the conflict about?(A) The American team did not like the carpets in the studio.(B) The Japanese team was upset about the misbehavior of American team.(C) The American team installed some electrical components which(D) The Japanese team had more colleagues than the American team.