多项选择题成败归因理论认为,学生常将成功或失败归因于( )。
多项选择题合作学习理论认为,在班级教学中,学生群体的组织形式有三种,即( )。
单项选择题How much ______ she looked without her glasses!
单项选择题The headmaster went to Washington ______ the first time last September.
单项选择题—______your step ,Jim, or you might fall into the water. —Oh,dear! Look where I am going.