What the doctors really doubt is ____ my mother will recover from the serious disease soon.[ ]

May I go swimming this afternoon — I’m afraid not _______ you have finished your homework.

Maybe bamboo has more uses than ____ in the world.

依次填入下面横线处的词语，最恰当的一项是大海的 ,是因为它拥抱太阳，融化阳光，把赤橙黄绿青蓝紫尽收于自己的调色板；大海的 ，是因为它聚集风雨雷电，把自然的伟大变成自己的能量；大海的 ，是因为它千万年的积攒，把珍珠宝贝深深地收藏；大海的 ，是因为它敞开胸怀，汇合滚滚大江和涓涓细流。

We noticed that each animal andeach tree in the park _____ being taken good care of.