Stuck on a few. These should help me finish
1d Child brought up that Kelvin, without partner, fosters is mine (8) K???D???
4d I require that disco at first could break even (6) I???E?
40d Of a kind that may be crossed with a butterfly? (9) S?I?????E
43d University course in Latin which wasn't serious (7) Q?????D
Help with parsing also appreciated