romised to develop a software package by the endof this year, ________ they might have

It was because of his kind nature _______I fell in love with Peter.

He was lucky to_____ to Beijing University, where many top students in China are studying. [ ]

If what you say is not________with what you do,it will have a bad effect on your children. [ ]

My parents have promised to come to see me before I for Africa.