Cleft sentences (b) – answers

A What he had never realised was how happy his daughter was in Poland.
Here the second version sounds forced.
B Where he’d hoped to move was to Cornwall. or
To Cornwall was where he’d hoped to move. The second version works for this one.
C What she really misses is living in the countryside.
or Living in the countryside is what she really misses.
D Who we could have moved in with is John and Alice!
E Where he ended up buying a property was in the middle of Manchester.
(or the second version: Buying a property in the middle of Manchester was where he ended up.