He ended his speech with a remark_______ knowledge_______power

John, a friend of mine, who got married only last week, spent ＄3,000 more than he______for the wedding.

In the old days, his father was not able to earn enough money to ______ his family.

Have you noticed the problem ________ he is now in low spirits？________ come?

We were _______ into two groups to discuss the problem.