1) John looks tired. He ___________________ well last night. a) must sleep b) mustn't sleep c) must have slept d) mustn't have slept 2) Look at the sky...it _____________ by the end of the day. a) must rain b) mustn't rain c) must have rained d) mustn't have rained 3) Liz is not in class. She ___________ fine today. a) must be b) must not be c) must have been d) must haven't been 4) Look at Jane....she ____________ preoccupied about something! a) must be b) mustn't be c) must have been d) mustn't have been 5) Bob hasn't arrived yet. He ____________ the bus again. a) must miss b) mustn't miss c) must have missed d) mustn't have missed 6) Timmy _____________ some bad food for lunch. a) must eat b) mustn't eat c) must've eaten d) mustn't have eaten 7) If Timmy doesn't get better during the day, he ______________ to work tomorrow. a) must come b) mustn't come c) must've come d) must not have come 8) When I got to the office this morning, my desk was clean! Liz __________________ it yesterday evening. a) must clean b) musn't clean c) must've cleaned d) mustn't have cleaned

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