— Has Henry arrived? The film will begin soon.
— Not yet. He's still ___________ the way.
A:in
B:on
C:by
对“今齐地方千里”一句翻译正确的一项是( )
当我们从远处向近处观看物体时,眼睛的晶状体变 ____,其折光能力变 ____(填“强”或“弱”),晶状体调节后还看不清物体时,需要通过 ____ (填“凸透镜”或“凹透镜”)来调节.如果远视眼镜片不小心摔成三、四片,碎片 ____ (填“能”或“不能”)起会聚光线的作用.