We didn't begin our group discussion ______ every member came.
---What do you think of the 3D film UP?---I enjoy it from beginning to end. This is the best one I have seen.
--- Have you ever seen _____ one-eyed elephant ?--- No, never. And you?
—Shall I bring a cup of milk?—________.
―The best time ______ Yangzhou is in spring.―Yes, I think so.
Some social workers_____ different skills often meet at the centre.