The protection of our environment is not---to be left to the

The protection of our environment is not ____to be left to t Thanks to the environment－protection policy,our living condi To pretect the environment is our duty MORE AND MORE ATTENTION ()to the protection of our environme 关于"The study of natural history is not something to be left 1.( ) care of the environment is our duty.A.To taking B.Took It is our duty to protect the environment it is our duty to protect the environment. to protect the environment is our duty 同义句 The expression to the left of the equals sign is not a valid It's important for us to _____ our environment.(protection) A is to the left of B