这个小男孩儿正坐在椅子边上.The little boy is sitting ___ ___ ___ ___a chair.
问题描述:
这个小男孩儿正坐在椅子边上.The little boy is sitting ___ ___ ___ ___a chair.
答
at the ege of
这个小男孩儿正坐在椅子边上.The little boy is sitting ___ ___ ___ ___a chair.
at the ege of