选词填空:I____ (watch/ see) TV in the evening.
下图表示多种植物成熟细胞,在不同浓度的蔗糖溶液内质壁分离的百分率,图中曲线说明这些植物细胞( )
下列连线中不正确的是( )
Tom is ________ his pen, but he can't ________ it. Let's help him.