高等继续教育 / 旅游英语
正确率：100%
题型描述: 单选题
—What were you doing this time yesterday? —I _ _ _ _ _ _ on the grass and drawing a picture.
A.sat
B.sit
C.was sitting
D.am sitting
—What were you doing this time yesterday? —I _ _ _ _ _ _ on the grass and drawing a picture.
A.sat
B.sit
C.was sitting
D.am sitting
参考答案：