7a Bus, when reversing, was morally wrong (6) l--n-s
16a Merc van is six ton almost (4) no letters
16d Overgenerous round side of highway (5) --r--
17d Record dance style - European (4) --p-
27a Ahead and ready for unexpected result (5) -p---
Trying this crossword for first time for my grandson, but we've become stuck. Please help