Question

— I called you yesterday evening, but you were not in .
— Sorry, I ________ in the shop with my mother.

A．am

B．will be

C．was

D．have been

Answer 1

C

句意：昨天晚上我給你打電話了，但是你不在家。——抱歉，我正在和我的母親在商店里面。結合語境可知下文描述的是過去的狀態，故用一般過去時態。選C。