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Walt, feeling a bit tired, decided to stop off ______ in Hong Kong on the way to Singapore.

China Daily is _________ a newspaper. It helps greatly to improve our English.

Go home right now — ______ your parents will worry.

The hotel was nice; the weather was warm; the beaches were beautiful. ________ I’d say it was a great vacation.

It was very lucky to see the "Monster of Lake Tianchi", ______ we didn't see it clearly.

---Students should devote most of their time to studying rather than playing computer games.                                                      
---________.No pains, no gains.

Nature reserves are very important for preserving many animals and plants, which would _______ run the risk of becoming extinct.

It seems that living green is ________ easy and affordable. A small step makes a big difference.

We had a wonderful holiday; only the last two days were _____spoiled by the weather. 

People often think they are energetic and healthy and don’t need exercise. _______ , I have to warn that it is completely wrong.