欧美日韩黄网欧美日韩日B片|二区无码视频网站|欧美AAAA小视频|久久99爱视频播放|日本久久成人免费视频|性交黄色毛片特黄色性交毛片|91久久伊人日韩插穴|国产三级A片电影网站|亚州无码成人激情视频|国产又黄又粗又猛又爽的

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