36. My idol's birthday is __________ the 28th of October.
A. at |
B. in |
C. on |
D. for |
37. Practicing speaking, listening, reading and writing can help you learn a language __________.
A. affect |
B. effect |
C. effective |
D. effectively |
38. _________ devices can help you save a lot of money from your electricity bill.
A. Time-consuming |
B. Time-saving |
C. Energy-saving |
D. Energy-consuming |