3d) It is obvious there's one in the case (7) ??T?E?T
5d) I rather upset the girl (7) ??R?I??
7d) Chaperone expected before the girl turns up (6) ??E?N?
14d) Joint seller, but expensive in France (7) ??L?H??
16d) Nothing we arranged with BBC network (6) ?S?W??