A:such an excellent
B:a such excellent
C:such excellent a
D:so an excellent
A small bad deed may have a deadly ill________on children while a small kind will do the opposite.
①日出而作日入而息
②我们吃早餐时,给美国的朋友打电话要说晚上好
③黄河、长江自西向东流
④东边的地点要比西边的早看到日出