Question

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

Answer 1

【答案】since

【解析】

句意：他們從小就是好朋友。

根據句中“have been good friends”可知，句中時態為現在完成時；結合句中“they were little kids”可知，此處是“自從他們是小孩的時候，他們就成了好朋友”；since是連詞，意為“自……以來”。故填since。