问题
选择题
Usually children are allowed to ______ when they are six years old.
A．attend school
B．attend the school
C．join school
D．join the school
答案
答案：A
attend school =" go" to school，其中的school不表示具体的“学校”，而是表示“上学”这一抽象概念，因此school前不可加定冠词。
答案：A