You ______ be tired. You’ve only been working for an hour. A. must not B. won’t C. can’t D. may not 2. Mr. White ______ at 8:00 for the meeting, but he didn’t show up. A. should have arrived B. should arrive C. should had arrived D. should be arriving 3. . As you worked late yesterday, you ______ come this morning. A. needn’t B. must not C. can’t D. may not 4. Come on! We ______ hurry because there isn’t much time left. A. may B.must C. can D.need 5. Peter ______ come with us tonight, but he isn’t very sure yet. A. must B. can C. may D. will