Cover of the textbook Focus 4 (2nd edition) - Workbook

The key answer of exercise 2

The key to exercise solutions in chapter Modal verbs for speculation for the textbook Focus 4 (2nd edition) - Workbook with authors Daniel Brayshaw from Pearson Education

Question

Rewrite the sentences. Use the words in capitals.

Answer

  1. Human beings may visit the Moon again one day.
  2. There must be life somewhere else in the universe.
  3. Life could / might / may have arrived on Earth when an asteroid crashed into the planet.
  4. We might not have landed on the Moon in 1969.