27.Each of us is likely to develop a personal _______ for certain types of entertainment.
A. feature B. interest C. habit D. preference
26.Using renewable energy sources is a simple idea, but ________ which is hard to put into practice.
A. one B. what C. the one D. that one
25.She has a(an) eye for fashion, which makes her a very good shopping companion.
A. active B. swift C. acute D. dull
24.In Beijing volunteers are making use of every minute to their foreign language because language volunteers must pass a written test and an interview.
A. polish up B. take up C. put up D. make up
23. As long as I can remember, I called, his wife would answer the phone.
A. however B. whenever C. whatever D. whichever
22.Although _________ my opinion, the old professor didn’t come up with his own.
A. on B. against C. for D. in