问题
Mary，you look confused．Have you made sense of the passage we are talking about?一Yes，I another problem just now.
A:have thought of
B:was thinking of
C:thought of
D:had thought of
B:was thinking of
C:thought of
D:had thought of
正确答案是：
同类题型
We must work hard to ________ a good knowledge of English.[ ]
In the past decades, sea ice ____ in the Arctic as a result of global warming.[ ]
She _______ live with her parents, but she doesn’t now.
______ a phone is of great help, I don’t think it’s agood idea to spend too much time on it.
With so many problems __________, the new mayor will have a hard time in his poor town.