Cover of the textbook Cutting Edge Upper-Intermediate - Student's Book

The key answer of exercise Practice 1

The key to exercise solutions in chapter 08 - Language focus 1 for the textbook Cutting Edge Upper-Intermediate - Student's Book with authors Sarah Cunningham, Peter Moor and Jonathan Bygrave from Pearson Education

Question

  1. Read the text below. What ability might some animals have that humans don’t? Why?
  2. Complete the text with the correct modals. There may be more than one possible answer.

Answer

a)

They might be able to sense early signs of earthquakes, maybe because they are sensitive to slight changes in the Earth's magnetic fields.

b)

  1. ought to / should
  2. could / may
  3. might
  4. can't
  5. could / may
  6. aren't able to / can't
  7. could / might
  8. have to / must
  9. can

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