S_____ he is late for school根据句意及首字母提示完成句子

问题描述:

S_____ he is late for school根据句意及首字母提示完成句子
S_____ he is late for school,一个词,麻烦说出过程,谢谢侬

Sometimes he is late for school.
他有时迟到.
因为句子是一般现在时,所以用sometimes有时.sometimes可以用在句首么?sometimes肯定可以用在句首。