问题
Why are you so angry with your brother—I _____ for the math test since I got up, but he is always interrupting me by askingquestions.
A:have prepared
B:have been preparing
C:had prepared
D:had been preparing;
B:have been preparing
C:had prepared
D:had been preparing;
正确答案是：
同类题型
Tom studies ______. He ______ plays with his friends.
Excuse me，but is that my dictionary—Oh, sorry, I took________ by mistake.
Only when he returned ________ that the war had ended and the army had come back.
d man wants to see the great changes in our country, and I am sure he will ________.
You must notice ______ the emergency exit is when youenter the building