His father feels ___ his duty to help others.
____ that they are inexperienced, they have done a good job.
— Lily complains that she has never gets any mail. — ____. I will write her right away.
— You look sad. ____?— Oh, my grandmother’s very ill.
Being too much fat, Cathy was advised to reduce her food for each meal, yet she would ____ that.
— I hear Johnson was badly injured in the accident. — ____, let’s go and see him.