1.In an extended family, people live in different houses.正确的答案是“错”。 

2.An extended family includes at least three generations.正确的答案是“对”。 

3.In an extended family, the grandparents will not look after the grand children because they are busy working, too.正确的答案是“错”。

4.Extended families can be found all over the world.正确的答案是“对”。 

5.Children can live happily with their parents and grandparents.正确的答案是“对”。