1.( )Little food is not enough for ()little kids.A so,such B so,so C such,such D such,so2.This book is ()expensive but more useful than that one.A more B less C much D very3.You look so well.I have never seen you ()so well before.A look B looking C to look D looked4. They are looking for work and still have not got anything ().A doing B done C to be done D to do要求答案加解析,好的加高分悬赏