我改天再打電話到你辦公室.
another day 改日
the other day 幾天以前
other day 幾天前
因?yàn)榍懊嬗衱ill 將來時(shí),而ac都是表示過去的時(shí)間,所以選擇b
補(bǔ)充：
another day 可表示近期將來的某一天,意為“改天”,也可表示過去將來某一動(dòng)作或狀態(tài)延續(xù)的“又一天”.如:
She is coming another day instead of today. 她今天不來,改天來.
You may do it another day.你可以改天做這件事.
He stayed there (for) another day/another two days after I
lift.我離開后他在那又待了一天/兩天.
the other day 相當(dāng)于a few days ago,意為“幾天前、某天、那天、不久前”,句中用一般過去時(shí).如：
I met her in the street the other day.幾天前我在街上碰見過她.
I bought the watch the other day.這手表我是幾天前買的.