从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. Your daughter______ the enjoyment of our visit.
A. adds up B. adds to C. adds up to D. adds in
22. This country has ______ too many wars.
A. passed by B. got through C. gone through D. passed through
23. They soon moved back to the ____ because they could hardly get used to city life.
A. country B. nation C. province D. state
