1 . 足球运动员在比赛中不应该假装摔倒，这是一种作弊行为。
A soccer player should not ________ to fall down in a match. It is ________.

2 . 我写信向你道歉，希望你能原谅我的不礼貌行为。
I'm writing to apologize to you, __________________.

5 . Perhaps she knows she’s________ (有错，应承担责任)   and wants to ________ (道歉，谢罪), or maybe she has a simple explanation for her __________ (行为，举止，态度). (根据汉语提示完成句子)

6 . 因此，听是一种主动的，而不是被动的行为，它包含听、理解和记。
Listening is thus an active, not a ________ consisting of hearing, understanding and remembering.

7 . I want you both to________________(尽可能好地表现)at the party. (根据汉语提示完成句子)

8 . You ought to be ashamed of _____________.
你应当为你的愚蠢行为感到羞耻。

9 . She spent most of her life __________ the __________ of animals while they were hunting for food. (观察动物的行为)