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Fill in the modal verbs: must, may, can, can’t.

1. This ___ be my book, but I’m not sure.

2. Mike never wears red. This boy in the red T-shirt ___ be Mike.

3. James ___ be at home now. I’ve just spoken to him on the phone.

4. Tom ___ be at school. I know that he has left for the countryside.

5. Jane ___ be at home now, but I’m not completely sure.

6. Jim knows nothing about engines and cars. He___ be a mechanic.

7. She wears awful make-up and has no taste in clothes. She ____ be a designer.

8. This woman is always very neatly dressed and she knows how to get along with kids. She ___ be a teacher or a babysitter.