Have you ever dreamed of playing in front of thousands of people at a concert,       _______everyone is clapping and appreciating your music?

   A. in which     B. for which      C. from which      D. at which  

Sometimes they may play to passers-by in the street or subway so that they can earn some______ money for themselves or to pay for their instruments.

   A. certain       B. extra     C. various      D. unusual

The band           about 1970, but happily they reunited in the mid1980s.

   A. broke up      B. broke down    C. broke out    D. broke in

As a result these endangered animals may even        .

   A. die away     B. die down      C. die out      D. die off

I’m protecting myself       mosquitoes.

   A. from       B. in       C. on        D. at

What must be done if wildlife protection is       ?

A. success     B. succeed    C. successful     D. to succeed