5d. A sign of achievement if you've got this far (9) ?I?e?????
18a. Clints conveyance through those spaghetti Westerns-so America came to call it. (5,4,2,4) no letters
19d Chant we should, for what all the world's athletes put on (8)????l?t?
17d. Apprentice, think you tempt His Lordship with this (9)?????e?e?
21a. Neither up nor down. ......still. .. (4)??e?
Many thanks