Seen And Not Heard

[puzzlit]

21. Ducks and drakes used to bust the dam.(8)
48. reclusive woman found a letter on moor (9)
87. but became befuddled on two drinks and got it in the neck (7,4)

Please can anyone give a little extra clue.

[elliemay1]

48 anchoress

[elliemay1]

^ anchor(moor) ess(sounds like S)

[elliemay1]

87 Anag of ''on two drinks''=Windsor knot

[puzzlit]

You are a very clever girl! I had really struggled but missed the anagram. Thanks a lot

[mallyh]

what is the theme to this quiz ?

[puzzlit]

all solutions contain a letter or letters that are silent

[petland]

21 the name of a kind of bouncing bomb?

[dannyk13]

21,Ricochet

[habakkuk3]

Can anyone lelp with this clue please
39. Gypsy returned that last marijuana for repayment of a loan. (8)
answer must contain at least one silent letter

[dannyk13]

Mortgage

[habakkuk3]

Thanks to dannyk13 for such a speedy answer.