1.A
sometimes 有时 sometime 副词 在某时；some time 一些时间 some times 几次
2.B
街只有两边,套用“one…… the other”
others和the others
others 代词=other people 除自己以外的其他人
the others 别人,指一定范围内的其他人
other adj.“别的””另外的”
other 单独使用或前面有数词时,只与复数名词连用;
one… the other 两者中”一个…另一个…”
e.g.I have two pens.One is blue,the other is black.
some…others… “一些…,另一些…”
e.g.There are many children playing in the park.Some are boating,others are playing games.