I. Circle the letter A,B,C,or D to indicate the correct answer to each of the following questions
1. A lot of dancers go to Rio de Janeiro to A. attend B. join C. perform 8. Nuclear power in the future. A. will replace B. replaced 9. Wind, hydro and solar are A. modern 10. It's really difficult to A. fly the Carnival. D. appear C. will be replaced D. replaces resources. C. non-renewable D. new B. renewable a bicycle up the hill. B. drive C. pedal D. sail
