Help please to finish. 20d. Incompatibility , an impediment to clarity enveloping mother church (8) M-S-A---. 31d. Common part of breakfast before splitting calories (6) C----- 40ac. Permit to consecrate , in operation for the last quarter (8) ---C-I-N. 35ac. Half of cabbage dishs eaten cold ,less than a plate? (6) -A---- Thanks in advance.