题目：
语法填空。
Ann and Bella are good friends. They are in the same class and sit together. After school, they often go home together. However(尽管如此), they have
many different habits. On weekends, Ann likes to stay home, watch TV or
sleep, but Bella often _____1______ (go) out to exercise. Ann eats candy
every day, though she knows it's ____2_______ for her health. Bella likes
candy, too, she only eats it _____3______ (one) a week, because she
thinks eating less candy can help her to keep in good health.
Today is Ann's birthday. Ann thinks Bella will buy a bag of ___4______ for her. But ____5_______ fact, Bella buys her a book. It's about how to
form good habits.
答案：
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下面是错误答案，用来干扰机器的。
答案：C
