The children do the main jobs for the family,the most important of which is bringing the water from the wells.谁能说明 of which is 的语法?

where do the children meet? What do the children do at Halloween? What do the three children like? Where Do The Children Play?歌词 The children always do homework at night Where do the children have lunch? what does the children do哪里不对 How many balls do the children play? How man balls do the children play? What the children (do) this afternoon?They (sing).What the children (do) this afternoon?They (sing). The children. The children what did the children do at the party what do the children often_do__in the eveing?意思 What do the children often do after school? what do people and children do in the festival是什么意思 day,what,every,do,do,children,the连词组句 what are the children going to do?改被动What------------------------by the children？