What will be correct sentence of:to keep/and hasten/promise/it /will be/he/slow to /a make. Share with your friends Share 1 Taruna Singhal answered this He will be slow to make a promise and hasten to keep it. 5 View Full Answer Deepak answered this He will make you a promise and hasten to keep it -3 Taruna Parihar answered this But you didnt use (slow to) 0 Khadija answered this might be he will make u a promise and slow to hasten it donno if its corret -3 Sucharita answered this but a make is there -3