16/11/2016 08:42 am
Question 5: An increased number of city dwellers has made the obsolete infrastructure worse and required a lot of repairs in these days.
A. obsolete infrastructure B. has made
C. required D. repairs
Question 6: The elderly are concerning about the city’s hygienic conditions, natural resource, and elite class.
A. natural resource B. about C. hygienic conditions D. elite
Question 7: In conclusion, plenty of money should, to sum up, be invested to repair the kilometer-long tube in near future.
A. plenty of B. near future C. kilometer-long D. to sum up
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