1: Robin Goodfellow's ice hockey requisites (5)
4: An oral examination is not advised if one has this sort of foresight (4,5)
7: Beware of these they show the funny side of the month! (4,2,5)
10: Bumped into yours truly at junction (3).
12: Creature of habit goes in to pay upon receipt of drink? It's puzzling. (9)
13: Adjust to initially having little juice (5)
14: Adore inconstant nymph (5)
15: Clear vision of no assistance (9)
16: Entire portion is healthful (9)
21: Each time, I lost message for Alice (3,2)
23: Slash some flipping werewolves (5)
24: Following conference's end, wild riot is focus of 'Call' published opinion (9)
25: Take Chair in university (3)
26: Overcome by disappointment from the rare bonk going awry (11)
27: Beautiful girls deal with optical instrument (9)
28: Quietly instigate a witch-hunt (5)