Everyone likes my father because is friendly.
A. his B. him C. he D. himself
根据短文内容及首字母提示完成所缺的单词
Adults smile less than children do in a day．386 times less，in fact．As a result，we are becoming more and more unhappy and u________．
All human beings are b________to know how to smile．Children are s________to smile up to 400 times a day．For them，a smile comes from their h_______and pleasure．Unluckily，as we grow o________，we smile less and less．
“Adults only smile 14 times a day，”says Jamb，a researcher．That means we only smile e________two hours．
“Life has so many problems that we have forgotten all the r________to smile，”she says．
We just need to look for things that m________us smile．“Why are you afraid of a smile？”Jamb asks．Trying best to smile is the s______of your happy journey！And anyway，s________is a nice thing to do．
1．________ 2．________ 3．________ 4．________ 5．________
6．________ 7．________ 8．________ 9．________ 10．________
________（thousand）of students rushed out to celebrate their victory（胜利）．
They expected that they could solve the problem by________（they）．
________（polite），he drove the old man out of the room and shouted at him angrily．
Be careful to cross the street when we meet heavy________（traffic）．
