I can’t leave. She told me that I ______ stay here until she comes back. 

—I’ll go camping this weekend．—          .     

—Victor certainly cares too much about himself.—Yes. He’s never interested in what         is doing.

—What does "___________" mean?—That means, the things that people do mean more than what they say.

“Shall we stop for lunch _____ shall we drive on？” “Let’s stop for lunch, but the driver can’t drink _____ drive.”