72. We couldn’t read the notice on the board because several people were standing _______ it.
A.in front of | B.in the front of | C.at the back of | D.in back of |
相关知识点
推荐试卷
72. We couldn’t read the notice on the board because several people were standing _______ it.
A.in front of | B.in the front of | C.at the back of | D.in back of |
试题篮
()