QUICK CROSSWORD

Across

1 Centre (4)

4 Clive —, Dad’s Army actor (4)

8 Lift (one’s hat) (4)

9 Keep going (9)

11 Give validity to (6)

13 University official (7)

15 Dairy product (6)

16 Increasing (6)

18 Quadrangle (6)

20 Astute (6)

22 Alternatively (7)

23 Disaster (6)

25 Loud clamour (3,3,3)

26 Sailor (4)

27 Cold-shoulder (4)

28 Moselle River city (4)

Down

2 Toe the line (4)

3 Make certain (6)

4 Gadget (6)

5 Thin; taper (6)

6 Resident (9)

7 Doubtful (4)

10 Otalgia (7)

12 Playing cards (4)

13 Sulkiness (9)

14 Flightless bird (7)

17 Deities (4)

19 Sufficient (6)

20 Sieve (6)

21 Haphazard (6)

23 Country of many islands (4)

24 Determination (4)