Anotice was in order to remind thestudents of the changed lecture time

Several weeks had gone by ________ I realized the painting was missing.

Yesterday I was about to leave for the market _____ my boss called and asked me to go back to the office at once

The poor woman is very worried——_________little food for______ many children.

When ______ about the possibility that Justin was taken by aliens, Detective Sam Peterson said that there was no hard evidence about this.