Cover of the textbook Performer B1 Phases, Vol. 1

The key answer of exercise Grammar 5 - 8

The key to exercise solutions in chapter Workbook - Welcome Unit for the textbook Performer B1 Phases, Vol. 1 with authors M. Spiazzi, M. Tavella, M. Layton, E. Fiordiliso from Zanichelli

Question

Rewrite the sentences with must or mustn't and the subject pronoun in brackets.

Answer

  1. You must wear your helmet when you ride your bike.
  2. She mustn't drive fast in the town centre.
  3. We must cross the road at the zebra crossing.
  4. He mustn't leave the computer on.
  5. They mustn't be late for the test.

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