It’s reported that the new underground line has been completed. — Yes, but it hasn’t been made clear _____ it’s to be opened to traffic. [ ]

Is that____ volleyball— Yes.Bill likes playing ____ volleyball. ____ volleyball is his

looks sad. Did you tell her about herbrother’s accident— Sorry, I ________ her just before her final exams.

Tom says he is too tired to go on.—He can’t be.He ____for an hour.

Charlie is going to have problems finding a job ________ he gets his A levels.[ ]