下列哪项疾病常表现为湿性咳嗽
A.急性咽喉炎
B.胸膜炎
C.支气管扩张
D.急性支气管炎初期
E.轻症肺结核
参考答案:C
在备课中,教师实现了哪些转化?
--Look! The light in the study is still on.
--Sorry, I forgot __ it off.
A. turning
B. turn
C. turned
D. to turn