climb mountains的过去式是climbed a mountain还是climbed mountains

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climbmountains的过去式是climbedamountain还是climbedmountainsclimbmountains的过去式是climbedamountain还是climbedmou

climb mountains的过去式是climbed a mountain还是climbed mountains
climb mountains的过去式是climbed a mountain还是climbed mountains

climb mountains的过去式是climbed a mountain还是climbed mountains
动词是climb
变化动词就可以了
后面的名词(山)不要管

climbed mountains.

climbed mountains