You are______your time trying to persuade him;he’ll never join us.

A.spending                   B.wasting                     C.losing                       D.missing

You are _____ your time trying to persuade him; he’ll never join us.

A. spending　 B. wasting　 C. losing　 D. missing

You are ________ your time trying to persuade him; he'll never join us.

A. losing

B. spending

C. wasting

D. missing

A. losing

B. spending

C. wasting

D. missing

You are ________ your time trying to persuade him; he'll never join us.

[　　]