6d. he sings like a bird 8 letters. - a - - - a - o
24d. computer red alert signalling huge malfunct... 5 letters. - - - s -
27d. pay everyone a levy - that's a toll. 4 letters - - a -
11a.and 8 a. its the mature thing to do when done with the 1st. 6 and 4 letters s - - - l - ( - o - n )
12a. its difficult to explain this but its the word target lettered out in the shape of a cross
20a ..... could be the same as seen in a medical regression. 4 letters - d - m
thanks