A could B was C would D did
A obey B consent C conceal D comply
A ought to have written B must have written C couldn’t have written D needn’t have written
A inquiry B investigation C input D insight
A fuse B wire C plug D circuit
A hardly B little C seldom D nowhere
A will blame B to blame C blamed D blames
A ways B attitudes C behavior D means
A assurance B persuasion C encouragement D confirmation
A delay B lose C lag D lessen