Fred was playing the piano while Mary and I (sing)______.

admin2010-02-05  37

问题 Fred was playing the piano while Mary and I (sing)______.

选项

答案were singing

解析 句意:弗雷德在弹钢琴,我和玛丽在唱歌。该题考查时态。while引导的时间状语从句,表示主句和从句的谓语动词动作在一段时间同时进行。用过去进行时。
转载请注明原文地址:https://kaotiyun.com/show/RdqK777K
0

最新回复(0)