问题详情:
单项填空 在A、B、C、D四个选项中, 选出可以填入空白处的最佳选项。
Mr Liu is ____ unusual teacher. He has written _____ useful book for his students.
A. an; an B. an; a C. a; a D. a; an
【回答】
B
知识点:冠词
题型:选择题
问题详情:
单项填空 在A、B、C、D四个选项中, 选出可以填入空白处的最佳选项。
Mr Liu is ____ unusual teacher. He has written _____ useful book for his students.
A. an; an B. an; a C. a; a D. a; an
【回答】
B
知识点:冠词
题型:选择题