写出划线部分的同类词。
1．In the park, the children can swing on the swing, ______ the kites on the grass, ______the books under the trees.
2．Supergirl and superdog can see some bread, ______ and _______.
3．There are some ducks, ______, ______ and ______ on the farm.
4．The pineapple is hard and ______, but the banana is ______ and ______.
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