Question

Can someone check over this? I also need help with the last reason. Two column proofs:
Statement: Line CD is perpendicular to line AE
Reason: Given
Statement: Line CD is parallel to line GH
Reason: Given
Statement: Angle ABD is a right angle
Reason: Definition of a right angle
Statement: Angle ABD and angle GEF are alternate exterior angles
Reason: Definition of alternate exterior angles
Statement: Angle ABD is congruent to angle GEF
Reason: Alternate exterior angles are congruent when the lines being crossed are parallel
Statement: angle GEF is a right angle
Reason: All right angles are con