高等继续教育 / 英语语法
正确率：100%
题型描述: 单选题
What ＿＿＿＿＿＿ you ＿＿＿＿＿＿＿ over the pst two years?
A.did... do
B.do... do
C.are... doing
D.have... been doing
What ＿＿＿＿＿＿ you ＿＿＿＿＿＿＿ over the pst two years?
A.did... do
B.do... do
C.are... doing
D.have... been doing
参考答案：
佳题速递：