He has changed a lot. He _______ not whathe _______.

If you want to see the chairman, you’d better make an with his secretary first.

After the dinner party, most guests left, with only two of them ______in the host family, ______ him clear up.

do you do as a volunteer in Africa— ______ ! There are many poor people there, who need a lot of help.

____ parents say and do has a life-long effect on their children.