1. Dan couldn't work because he caught the flu. down
Dan , which meant he couldn't work.
2. If you smoke, then stopping can really improve your health. up
If you , you'll really improve your health.
3. We asked the vet to kill the dog to stop her suffering any longer. put
We asked the vet to stop her suffering any longer.
4. I don't really have enough energy to play tennis. up
I don't really tennis.
5. Is it true that getting wet can cause a cold? on
Is it true that getting wet can a cold?
6. The flu epidemic started suddenly in June and lots of people got ill. out
Lots of people got ill when the flu epidemic in June.
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