people here are in need of help.为什么不直接need

cares for people who are in need of help -Tommy,we are in great need of your help here and ... -Look, charities are o____ that help people in need think of an invention that could help people in need As fortune will have it,there are people who need help in so meaningful,help,people,in,to,it,is,who,are,need如何连成一个句子? People here need lots of houses ( )[live] in 正确形式填空 --People are in great need of this kind of food.-- Yes.It’s Actually,many people are in need of such kind of device,but I find you look uncomfortable.Are you in need of help?翻译 what can do to help those people in need We all feel___our duty to help those people in need.