Question

—What were your parents doing when you phoned me last night?
—They ________with my grandparents.

A．were talking

B．talked

C．are talking

D．talk

Answer 1

A

试题分析：根据上句中的were doing可知，本句也应该是过去进行时，故用were talking。本句的意思是“他们正和我的祖父母谈话。”所以本题选A。
点评：对于句子的时态，首先应该确定动作发生的时间，根据时间确定句子的时态；其次，应该掌握各种时态的结构。