. —Have you thought of a topic for your speech yet?
—No, I______a lot about it, but I haven’t decided.
A.will think | B.have been thinking | C.had thought | D.was thinking |
推荐套卷
. —Have you thought of a topic for your speech yet?
—No, I______a lot about it, but I haven’t decided.
A.will think | B.have been thinking | C.had thought | D.was thinking |