My son has changed so much that I could hardly __________ his voice on the phone.

A. recognize                          B. realize                          C. hear                                 D. find

He can hardly         his wife’s bad-temper， so he decided to seek divorce with her.

A. teamed up with      B. caught up with     C. put up with     D. kept up with

He can hardly_________ his wife’s bad-temper, so he decided to seek divorce with her.

     A. teamed up with     B. caught up with    C. put up with   D. kept up with

I hardly________his voice on the phone since we haven’t seen each other for ten years.

A．known                                               B．heard

C．realized                                              D．recognized

 Hardly ______ his work _______ the telephone rang.

  A. had he finished; when         B. did he finish; when

  C. he had finished; than          D. he finished; than