you, your, She, He, dancer, doctor
A: What does____mother do?
B:____is a____.
I carried with me for years a vague模糊的____(印象) that he was a cold-hearted寡情的 man
长城站位于北极点的( )
遇到巨大声响时,可迅速张嘴,使咽鼓管张开;或闭嘴同时双手堵耳,保持____ 两侧大气压力平衡,以免损伤鼓膜.