1. Follow 5K message strictly and we will help prevent the spread of COVID-19. ->If. we…………………………………………………………………… 2. “How many students are there in your class, Lan?” Mi asked. -> Mi asked Lan ………………………………………………………………………… 3. It was such a difficult exercise that all students couldn’t do it. ->The exercise was .......... 4. I enjoyed the film inspite of its silly tory. -> Although the story of the ..... 5. They often went to school by bike when they were young. ->They used ………………………

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