—Where can I tie the horse?
—Oh,you can tie it to ______of the tree.
A.both B.every C.each D.either
—Where can I tie the horse?
—Oh,you can tie it to ______of the tree.
A.both B.every C.each D.either
D
由句意可排除前三个选项，而且every只能作定语，不可和of短语连用。