问题
Why didn’t you go to yesterday’s meeting? —I would have but I ______too busy working on the important experiment
A:had been
B:was
C:were
D:am
B:was
C:were
D:am
正确答案是：
同类题型
Great changes _____ in China in the past 30 years and many Chinese are living a happy life today.
You will succeed in the end _______ you give halfway.
Jenny, do you know WeChat（微信）was created by—By Zhang Xiaolong, right
The box is __________heavy for me _________carry.
Must I hand in my homework now—No,you__.You can hand it in tomorrow.