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With more forests being destroyed, huge quantities of good earth _______ each year.

A. is washing away     B. is being washed away

C. are washing away    D. are being washed away

With more forests being destroyed, huge quantities of good earth _______ each year.

              A. is washing away                             B. is being washed away

C. are washing away                         D. are being washed away

With more forests being destroyed, huge quantities of good earth ____ each year.

A. is washing away          B. is being washed away 

 With more forests being destroyed, huge quantities of good earth ________ each year.

A. is washing away                                          B. is being washed away

C. are washing away                                        D. are being washed away

With more forests being destroyed, huge quantities of good earth ______ each year.

A. is washing away                  B. is being washed away

C. are washing away                    D. are being washed away

.With more forests being destroyed, huge quantities of good earth _________ each year.

A. is washing away                                              B. is being washed away

C. are washing away                                            D. are being washed away

With more forests being destroyed, huge quantities of good earth      each year.

A. is washing away    B. is being washed away

C. are washing away   D. are being washed away

With more forests being destroyed , huge quantities of good earth        each year .

A. is washing away               B. is being washed away

C. are washing away              D. are being washed away

 With more forests being destroyed, huge quantities of good earth _______ each year.

        A. is washing away  　      B. is being washed away

        C. are being washed away     D. are washing away 

With more forests being destroyed, huge quantities of good earth _____ each year. 

A. is washing away                          B. are being washed away

C. are washing away                         D. is being washed away