28. Believe it or not, you can find many ways to save money while ________ in an expensive area.
A. live
B. living
C. tolive
D. lived
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29. We went to the museum only ________ it was closed that day.
A. to find
B. found
C. finding
D. find
30. If you want to buy these new devices, you should be clear about ________ they can offer.
A. which
B. that
C. what
D. who
31. We had hardly entered the office building ________ the fire alarm went off.
A. than
B. when
C. where
D. which
32. You can search for a job in the city ________ your friends live.
A. which
B. that
C. when
D. where