Question

I didn't see you at the meeting yesterday,why?----I()for a call from my sis

Answer 1

I didn't see you at the meeting yesterday,why?
----I【was waiting 】for a call from my sister.
句意是：昨天的会议上我没见到你，怎么啦？--- 我一直在等我姐姐的电话。
用过去进行时表示昨天开会期间我一直在等电话。

【俊狼猎英】团队为您解答。