As we are in no hurry, let’s discuss the matter ____ tea and cake.

Once or twice he has had difficulty making decision on his own, but         he is an independent man.

As is widely acknowledged, playing outside helps children learn through curiosity, which , _ __,   promotes creativity.

They've kept up a friendship with the teacher whom they were at school _____ twenty years ago. 

If you meet ______ problems，please turn ______ me.