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Deductions with Must / Can't

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  • The baby is making noise. He ______ be asleep.
    can't
    must
  • They never talk. They ______ be friends.
    can't
    must
  • She hasn’t answered the call. She ______ be busy.
    must
    can't
  • It looks like a joke. This ______ be real.
    must
    can't
  • He is rubbing his eyes. The baby ______ be sleepy.
    must
    can't
  • He has lost a lot of money. He ______ be happy.
    must
    can't
  • It sounds like a cat. That noise ______ be a dog.
    must
    can't
  • That idea is silly. He ______ be serious.
    can't
    must
  • He has three dogs. He ______ like dogs.
    can't
    must
  • She’s crying. She ______ be happy.
    must
    can't
  • He hasn’t eaten all day. He ______ be hungry.
    must
    can't
  • I’ve never seen this place before. It ______ be new.
    can't
    must
  • It’s on his desk. It ______ be his phone.
    can't
    must
  • The lights are off. He ______ be at home.
    can't
    must
  • He is very smart. He ______ know the answer.
    must
    can't
  • She’s laughing. She ______ be angry.
    can't
    must
  • It smells nice. This food ______ be fresh.
    can't
    must
  • It smells bad. That food ______ be fresh.
    can't
    must
  • Today is Sunday. She ______ be at school.
    can't
    must
  • Your name isn’t on it. This ______ be your book.
    can't
    must
  • He always takes the bus. He ______ be rich.
    can't
    must
  • He doesn’t drive. That ______ be his car.
    can't
    must
  • You just woke up! You ______ be tired.
    must
    can't
  • The cat is hiding under the bed. It ______ be scared.
    can't
    must
  • Their things are still in the bag. They ______ be ready.
    can't
    must
  • They look the same. They ______ be brothers.
    must
    can't
  • She is standing at the board. She ______ be the teacher.
    must
    can't
  • The ground is wet. It ______ be raining.
    must
    can't
  • He has the keys. He ______ be the driver.
    must
    can't
  • It’s 10 a.m. on Monday. He ______ be at school.
    must
    can't
  • Everyone is wearing jackets. It ______ be cold outside.
    must
    can't
  • It’s too warm. It ______ be snowing.
    must
    can't
  • It’s very hot today. You ______ be cold.
    can't
    must
  • She didn’t sleep last night. She ______ be tired.
    must
    can't
  • He doesn’t know the song. He ______ be the singer.
    must
    can't
  • Many people watched the movie. It ______ be good.
    can't
    must
  • She is smiling a lot. She ______ be happy.
    must
    can't
  • It has her name on it. That ______ be her bag.
    must
    can't
  • She is too young. She ______ be the teacher.
    can't
    must
  • They talk all the time. They ______ be friends.
    can't
    must
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