There_ a lot to do _the old Museum.A is ,look after B is,to look after C are,to look after

问题描述:

There_ a lot to do _the old Museum.A is ,look after B is,to look after C are,to look after
继续上面的“D are,look after"

B恩这里是there be 句型,主语是a lot to do, 后面的to look after the old Museum为目的状语。