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_____all over the hills and around the lake are wild flowers of different kinds.

A．To grow     B．Growing     C．Grown    D．Grow

________ all over the hills and around the lake are wild flowers of different kinds.

A. To grow　       B. Growing　    C. Grown           D. Grow

_____ all over the hills and around the lake are wild flowers of different kinds.
  A. To grow      B. Growing     C. grown      D. Grow  

_____all over the hills and around the lake are wild flowers of different kinds.