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

II.文法 16. I have made up my mind.______ hard you persuade me, I won't change my decision. (A) How (B) Whatever (C) However (D) No matter when

17. The clever device______on the wall makes the room dry and comfortable even during humid days. (A) installing (B) installed (C) that installs (D) is installed

18. The angry manager ordered that the mistakes in the report______ right away and then stormed out of the room. (A) corrected (B) to corrected (C) be corrected (D) would correct

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

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

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

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.