CHOSE
If 0, T???? because THOSE was 1 and the only difference between CHOSE and THOSE is the whole C-T thing.
If 2, C???? because THOSE was 1 and the only difference between CHOSE and THOSE is the whole C-T thing.
BABYSAT
If 3, ???M?AT because BABYSIT was 1 and the only difference between BABYSIT and BABYSAT is the whole I-A thing.
If 1, ???M?IT because BABYSIT was 1 and the only difference between BABYSIT and BABYSAT is the whole I-A thing.