11.  The lab was very far away from the mansion, so every morning we went to get boiled water group by group.

12.  Look, a group of old women are dancing, fans in hand.

13.  A group of English students will visit our school.

14.  Then, a group of man came.

15.  to our class, such a special collective, having a group of competent cadres is very important.

16.  The workers are divided into some groups.

17.  Different group do different work.

18.  Second, we can attend to many different groups in our school.

19.  First, I am going to join 'WARM TOUCH'-- a group in my school that often visit many places in China specially the poor one .

20.  And we can take part in some social serve groups, such as: "Warth Touch".