Read the sentences below and choose the alternative that bes...

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Q3657727 Inglês
Read the sentences below and choose the alternative that best explains the meaning of the modal verb in each case.

1- She must be at home, because all the lights are on.
2- You should check your work carefully before handing it in.
3- They can speak three different languages fluently.
4- When we were children, we could spend hour playing outside.
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