>  2011/02/15 (火) 04:13:48        [qwerty]
> > 他の問題もだせ(;´Д`)
> He is (     ) the opinion that she will recover soon.
> I missed the train (     ) a minute.
> The cherry blossoms are (     ) their best now.

by
for
at

参考:2011/02/15(火)04時12分38秒