Modern forms of transportation and communication have done much to ________the isolation  of life in Alaska.

Modern forms of transportation and communication have done much to ________the isolation  of life in Alaska.

A. break through?         B. break down       C.break into?????  D. break out

Modern forms of transportation and communication have done much to ________the isolation  of life in Alaska.

A. break through         B. break down       

C.break into  D. break out

Modern forms of transportation and communication have done much to ________the isolation  of life in Alaska.

Modern forms of transportation and communication have done much to ______ the isolation（隔离）of life in Alaska.

Modern forms of transportation and communication have done much to ______ the isolation（隔离）of life in Alaska.

A．break down                           B．break out

C．break into                             D．break through

Modern forms of transportation and communication have done much to ________ the isolation(隔离) of life in Alaska.

Modern forms of transportation and communication have done much to ______ the isolation（隔离）of life in Alaska

1. A.
   break down
2. B.
   break out
3. C.
   break into
4. D.
   break through

Modern forms of transportation and communication have done much to ________ the isolation(隔离) of life in Alaska.

   A. break down       B. break out      C. break into      D. break through