1 . She ________ (frequent) wonders what would have happened if she had made different choices in her life. (所给词的适当形式填空)

2 . Frequent physical exercise helps to build up my strength, so I should ___________ (frequent) take part in sports and outdoor activities. (所给词的适当形式填空)

3 . To the________(频繁) asked question, “What’s your favorite subject?” My answer is English, as I prefer watching English movies a lot. (根据汉语提示单词拼写)

4 . They ______（频繁）fall into the depths of loneliness, humiliation, and despair. (根据汉语提示单词拼写)