1.（） is not necessary for them（）the whole way.第一个空是is 还是this 第二个空是to walk,walking

题目

1.（） is not necessary for them（）the whole way.第一个空是is 还是this 第二个空是to walk,walking
2.The mother always tells her son a story before he（）用括号的词组做（go to sleep） 3.Laughter is a way in which we can be a part of a group and it can make us （） more comfortable with others,用括号内所给词的正确形式填空（but,well happen languae feel funny why quiet stress hand）

答案

1.（It） is not necessary for them（to walk）the whole way.2.The mother always tells her son a story before he（goes to sleep）3.Laughter is a way in which we can be a part of a group and it can make ...