1.【答案】keeps

【解析】 the puppy keeps  the entire family awake 小狗吵醒全家人。动词三单式，故答案为keeps

2.【答案】placed

【解析】 the puppy is placed  in its box 小狗被放在它的盒子里。被动be+过去分词。place可以作动词，放置，故答案为placed

3.【答案】begins

【解析】 it begins  to howl 它开始嚎叫。动词三单式，故答案为begins

4.【答案】destroying

【解析】tortures the family by destroying  material possessions. 通过毁坏物质财产来折磨家庭。by doing通过做某事。语法上介词by后面接名词，如果是动词，需用ing，故答案为destroying

5.【答案】possessions

【解析】 tortures the family by destroying material possessions. 通过毁坏物质财产来折磨家庭。possess拥有（动词），possession 拥有（名词），possessions 财产（名词），故答案为possessions

6.【答案】different

【解析】Every day something different  is damaged. 每天都有不同的东西被损坏。something different不同的东西，故答案为different

7.【答案】damaged

【解析】 Every day something different is damaged 每天都有不同的东西被损坏。被动be+过去分词，故答案为damaged

8.【答案】addition

【解析】 In addition, 此外。这是词组，直接记。语法上，介词in后面接名词，故答案为addition

9.【答案】making

【解析】 the puppy often misses the paper during the paper-training stage of life, thus making  the house smell like the public restroom at a city bus station. 小狗经常在纸训阶段未尿在纸上，因此让房子闻起来像是城市公交车站的公共厕所。分词短语作补充说明成分，主动用ing, 被动用过去分词，故答案为making

10.【答案】arguments

【解析】 the puppy causes family arguments. 小狗会引发家庭争吵。argue争吵，动词。argument争吵，名词。这里填单数复数均可。考试如果考复数，会在括号直接给出名词argument，故答案为arguments

11.【答案】supposed

【解析】 about who is supposed  to feed and walk the dog 关于谁应该去喂狗和遛狗。词组be supposed to应该。语法上，这是被动be+过去分词，故答案为 supposed

12.【答案】continual

【解析】 these continual  arguments 这些持续不断的争吵。修饰名词arguments用形容词，故答案为continual

13.【答案】sleeplessness

【解析】 the effects of sleeplessness失眠的影响。介词of后面接名词，故答案为sleeplessness

14.【答案】loss

【解析】 the loss  of valued possessions 有价值财产的损失。the后面接名词，故答案为loss

15.【答案】really

【解析】can really  disrupt a household 真的会破坏一个家庭。修饰动词disrupt用副词，故答案为really