___ in the regulations is that you ___ other people the password of your e-mail account. A.What is required; not tell B As is required; shouldn't tellC.It is required; not tell D.It requires; shouldn't tell
Hurry up, _______ you will miss the early bus.
---Shall we meet at 6:00 or 7:00? ---________.
Many people claim that they have seen UFO with their own eyes, _____ I personally doubt.
—You _____ a meal this evening. I had dinner at a restaurant with Tom. —Well, why didn’t you phone me and let me know?
Water, which seems so simple and common, is _____ makes life possible.