Question

【题目】They’ve been good friends s________ they were little kids.

Answer 1

【答案】since

【解析】

句意：他们从小就是好朋友。

根据句中“have been good friends”可知，句中时态为现在完成时；结合句中“they were little kids”可知，此处是“自从他们是小孩的时候，他们就成了好朋友”；since是连词，意为“自……以来”。故填since。