小薇为自己的手机设置了一段彩铃“太阳和月亮是一个妈妈的女儿,她们的妈妈叫光明;汉族和藏族是一个妈妈的女儿,我们的妈妈叫中国。”歌词的寓意是
It is no ____ arguing with Bill because he will never change his mind.
Joan together with her parents ____ going to visit the Summer Palace this Saturday.
The summer holiday is just ____ the corner. How do you plan to spend it?
____ hands and knees Helen Thayer got the tent up.
The woman looks so worried. She seems ____ something valuable.