问题补充:
I my homework at nine oclock last Sunday morning.
A. am doing B. was doing C. do
答案:
解析:考查时态。由句中的时间状语可以判断句中应用过去进行时
时间:2019-08-01 15:40:47
I my homework at nine oclock last Sunday morning.
A. am doing B. was doing C. do
解析:考查时态。由句中的时间状语可以判断句中应用过去进行时