I ________ thank you too much for all your help to my son while we were away from home.
Teachers _______ be sensitive to the development level of each student so as to help them better.
Three foreign films will be on this month. One is made in Korea, _______ two are made in England.
—No photos, please! —______________.
Find ways to praise your children often, _________ you'll find they will open their hearts to you.
Only when _______ be possible to sign the papers.