The roads are lined _____trees, which have been planted to hold _____the strong winds from the north.

A. along; to    B. on; up 

C. with; back   D. in; against

The roads are lined        trees，which have been planted to hold        the strong winds from the north.  

A. along; to             B．on；up          C．in；against           D．with；back

The roads are lined       trees，which have been planted to hold       the strong winds from the north.

1. A.
   along; to
2. B.
   on；up
3. C.
   in；against
4. D.
   with；back

The roads are lined       trees，which have been planted to hold       the strong winds from the north.  

The roads are lined　　　 trees，which have been planted to hold　　　 the strong winds from the north.　

A. along; to　　　　 B．on；up　　　 C．in；against　　 　　 D．with；back