If he _______ the opportunity at that time, he would be the new department manager now.

We would have called a taxi yesterday if Harold __________us a ride home.

Some women _      _ a good salary in a job instead of staying home, but they decided not to work for the sake of the family．

This cake is very sweet. You _________ a lot of sugar in it.  

 —Why not join us in the game?—I’d love to, but my mother insists that I _______ all my homework first.