---How do you study for _ English test?---By reading the textbooks.
问题描述：
---How do you study for _ English test?---By reading the textbooks.
A.a B.an C those D its
答
an 带有元音因素的单词前面要用冠词an.可是我的答案写的是aa只能用于带有辅音因素的单词前面/。而English 是带有元音因素的单词。你要把元音因素和辅音因素分清楚。