（1）. When you laugh, you also breathe deeply. This helps you __________. ____________
（2）. That is a __________ question to answer. ____________
（3）. For one thing, laughter is good __________. ____________
（4）. In India, there are hundreds of laughter __________. ____________
（5）. In English, people say that laughter is the best __________. ____________
（6）. Do you __________ every day? ____________
（7）. Laughter helps sick people get __________. ____________
（8）. Many scientists believe that we use laughter to __________ to other people. ____________
（9）. First they stretch their hands above their heads. Then they __________ to laugh. ____________
（10）. __________ everyone is laughing __________. ____________
（11）. Scientists say that one hundred laughs __________ ten minutes of running. ____________