2: Tears material, tears material (9)
3: Partly indicates progress of undergraduate (2,1,6)
4: English jet fighter made an assessment and left the country (9)
5: Drunk band I conducted (5)
6: Hold up congressman ... (5)
7: Eastenders' David gets on most people's (5)
8: Uncouth chaps met Engel under stress. (4,9)
9: Ratty cavalier redressed in proper horseman's uniform. (7, 6)
15: I may fall into pit in a remote country (9)
16: Questionable act raises link between stories (9)
17: Chewed a fat aide's foul-smelling gum (9)
20: Uncovered selection is of considerable size (5)
21: Damage surrounding most of old tooth (5)
22: Tribal emblem starts to take on taboo, erotic meaning (5)