23. By the time Amy arrived at the airport, her boyfriend's plane______ already.
(A) took off
(B) was taken off
(C) had taken off
(D) was to take off

19. The mother starts to feel worried and anxious, because her daughter______ her three hours ago. (A) could call (B) would call (C) may have called (D) should have called

20.______all the detailed guidelines printed on the box, everyone is capable of operating the device with ease. (A) As (B) Since (C) With (D) Despite

IV.句型 21. Tim ______mad at others easily. However, ever since he took the course of anger management, he has seldom lost his temper. (A) is used to get (B) is used to getting (C) used to get (D) used to getting

22. Be patient. The longer you wait,______ you are to meet the superstar. (A) and so easy (B) the more likely (C) so likely that (D) the easiest

24. The train______ , we had no choice but to spend another three hours waiting for the next one. (A) cancelled (B) cancelling (C) was cancelled (D) would cancel

25. Stop being so childish. ______you like it or not, you must learn to be responsible and fulfill your obligations. (A) If (B) Whether (C) Though (D) Since

26. What is the main idea of this passage? (A) Convenience store retailer Lawson helps aged citizens make purchases easily at a lower price. (B) Convenience store retailer Lawson carries out service transformation in coping with an aging society. (C) Convenience store retailer Lawson beats its competitors because of a diverse range of services they offer. (D) Convenience store retailer Lawson is now working with the government to maximize their profits.

27. Under Lawson's plan, how many stores with care-support services do they need to increase by the end of February 2018? (A) Nine. (B) Sixteen. (C) Twenty-one. (D) Thirty.

28. According to the passage, which of the following care-support services is not offered in the store yet? (A) Social spaces for people to interact. (B) Facilities for easy access to products. (C) Job vacancies for aged citizens. (D) Consultation counters that offer information.

29. What does the phrase "follow suit" in the last paragraph most likely mean? (A) To wear the same dress. (B) To do the same thing. (C) To launch an attack. (D) To keep family pets.