问题
选择题
—What happened? I called you several times yesterday evening, but I couldn't get through.
—Sorry, my sister and I ________ on the phone all the time.
A．talked
B．have talked
C．were talking
D．have been talking
答案
答案：C
C 考察时态。由所设语境可知，答语应该是：昨天晚上你给我打电话时，我姐姐和我在煲电话粥。因此应该选择过去进行时。