It is beyond my understanding that many adults ________ be so crazy about Harry Potter series.

填人下面一段文字横线处的语句，最恰当的一句是（ ）从科技性上来说，手机“飞行模式”的推出_____________________________。有的“飞行模式”仅是关闭了通话功能，有的是在硬件上停止基带芯片，还有的是关闭包括Wi – Fi、蓝牙等一切无线连接……由此可见，各个手机厂商对“飞行模式”的设置并不相同，“飞行模式”是一个既没有国际标准，也没得到航空行业认证的功能。

from Beijing to London!

He devoted his lifetime ______ it possible for women _______ better education.

－Are your parents angry with you about your English－Oh, of them is angry. They just told me to get better grades next time.