9 Have (7)
10 Show (7)
11 Impose (7)
12 Devise (7)
13 Determination (9)
15 Pasture (5)
16 Female singing range (7)
19 Slave traders (7)
20 Swampy lake (5)
21 Brochures (9)
25 Inflammation of the ileum (7)
26 Wandered (7)
28 Disappointment (7)
29 Compress (7)
Down
1 Done to butter on toast (6)
2 Practical (6)
3 Close by (4)
4 To the rear (6)
5 Instructors (8)
6 Record player (10)
7 Formally revoke (8)
8 Stammers (8)
14 Successful completion of high school (10)
16 Caption (8)
17 Sums paid (8)
18 Fighting against (8)
22 In current fashion (6)
23 One or the other (6)
24 Without warning (6)
27 Promissory notes (4)