问题

I_______ my homework at nine o’clock last Sunday morning.
A:am doing
B:was doing
C:do
D:did;
B:was doing
C:do
D:did;
正确答案是:
同类题型
37The students have been told that under no condition______the mobile phone in class
How dangerous it was!— Yes. Without your timely warning, the sweater _____ in the wash. [ ]
I often go to school by ____ bus, and my father drives ____ car to work.
Thank you so much! But for your text message, I ______ home without my ID card yesterday.
I thought you wouldn’t mind.— Well, ________, I don’t; but you should have asked me first[ ]