—Did you see Mrs Black these days, Jack?

试题详情及答案解析

—Did you see Mrs Black these days, Jack?
—No, she went to New York ________ Saturday morning.

A．during

B．in

C．at

D．on

答案：D

试题分析：句意: ---杰克，这些天你看到布莱克夫人了吗？---没有，她周六早上去纽约了。具体到某一天上午、下午、晚上用介词on，故选D。
考点：考查介词用法辨析