（普陀）
25. The population of this city, forty percent of which _________, _________ 15% in the last three years.
A. are Germans, has risen by B. are Germen, has fallen by
C. is Germans, have increased to D. is Germans, have been reduced by
26. The students, _________ at the way the questions were put, didn't know the answers to them.
A. they being surprised B. surprised
C. their being surprised D. then surprised
27. Prices of daily goods ________ through a computer can be lower than store prices.
A. are bought B. bought C. been bought D. buying
28. The students expected there _____ more reviewing classes before the final exams.
A. is B. being C. have been D. to be
