问题
选择题
I don’t know if you noticed their absence or not, but we ________.
A.did
B.have
C.had
D.were
答案
答案:A
but we did 是but we noticed their absence or not的替代式省略。
I don’t know if you noticed their absence or not, but we ________.
A.did
B.have
C.had
D.were
答案:A
but we did 是but we noticed their absence or not的替代式省略。