What is a convenient place for a bus station? Choose the most suitable option to answer the above question. Options：  A. maps  B. street  C. catch bus  D. city centre  E. school
D

The obsessive man was always washing hands, he had even done it so much once that it caused a what? Choose the most suitable option to answer the above question. Options：  A. use soap  B. irritation  C. cleanliness  D. thinking  E. wet towel
B

What could stop two people from communicating? Choose the most suitable option to answer the above question. Options：  A. collaboration  B. make person sick  C. progress  D. static  E. transfer of information
D

What could you make with your voice? Choose the most suitable option to answer the above question. Options：  A. silence  B. choir  C. song  D. radio  E. telephone
C