you'd better ( )more warm clothes and keep ( )

you'd better ( )more warm clothes and keep ( ) 【初二英语】It's cold outside.You'd better _____ more warm clothes It___cold.You'd better wear warm clothes.A.may B.maybe C.may --It is cold outside. You’d better wear warm clothes to ____ It ___ cold.You'd better wear warm clothes.A.may B.maybe C.m you'd better ___(keep) the room nice and clean. lt's cold today .you'd better put on more clothes or you'll It's very cold outside.You'd better ______ more clothes If you want to keep fit, you’d better eat more vegetables an if you want to keep fit .you｀d better eat more vegetables an Woolen clothes are used for _ warm.A.kept B.keep C.to keep D "clothes do more than just keep us warm"为什么than后可以跟动词原形?-八下仁