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.Some students often listen to music ___ classes to refresh themselves.

A.between                                                       B.among

C.over                                                             D.during

.Some students often listen to music ___ classes to refresh themselves.

A.between                                                       B.among

C.over                                                             D.during

.Some students often listen to music ___ classes to refresh themselves.

A.between                                                       B.among

C.over                                                             D.during

Some students often listen to music __________ classes to refresh themselves.

A. between     B. among

C. over    D. during

Some students often listen to music _____ classes to refresh themselves.

   A. between    B. among    C. over    D. during

.Some students often listen to music ___ classes to refresh themselves.

A.between                                                       B.among

C.over                                                             D.during

.Some students often listen to music ___ classes to refresh themselves.

A.between                                                       B.among

C.over                                                             D.during

 Some students often listen to music ___ classes to refresh themselves.

A.between                               B.among

C.over                                  D.during

 Some students often listen to music ___ ___  classes to refresh themselves.

A. between              B. among     C. over         D. during

Some students often listen to music _____ classes to refresh themselves.

A. between                B. among                     C. over                D. during