单项选择题
You shouldn’t use such bad language（）the children.
A.in front of B.in the front of C.at front of D.on front of
单项选择题 I recognized him at once，as I had seen him（）.
单项选择题 Let’s start early in the morning，（）？
单项选择题 The actor will get（）his nervousness once he is on the stage.
