英语 单选
问题描述：
英语 单选
light travels very fast,_____ 300,000 kilometers a second.
at intoabout
the patient grew _____ every day.
weakweaklyweaker more weakly
there's one boythere,and 5 minutes later i saw ___.
the othersome otheranotherother student
答
at
more weakly
another麻烦解释下。速度哦应用at比较级one another