（大家来找错误）这几道高中英语单词拼写题目有问题吗（急）

（大家来找错误）这几道高中英语单词拼写题目有问题吗（急）
Once I ________(讲清楚) the topic, I declined. clarified

一旦澄清了主题,我就谢绝了.
2.The discussion has become more and more ___________ (激烈的)． violent
3.He came around last week and we _________(聊天) for a while. chatted
4.He made a careful ______________ (评估) of the situation. assessment
他对形势作了认真评估.
5.To our joy,our laboratory is well __________ (装备). equipped
令我们快乐的是,我们实验设备齐全
6.I have several ________ (打,十二个) exercise books. dozen
我有几十个练习本
7.Is the car__________(供给动力) by electricity or by oil? powered
汽车是使用电力还是石油供给动力?

8.He lived on the _______（第四十）floor in the tall building. fortieth
9.__________（十一月）is the eleventh month of a year. November



都是网搜的题目,需要做成PPT来测试.
或者不足,翻译是否正确?需要改动哪里?
10.I keep my papers hidden (藏起来).
11.The envelopes (信封) were bought by TomFasten (系紧)your seat belts!
12.Don’t _whisper_(耳语) to me,I can’t hear you clearly.
13.Japan is a mountainous （多山的）country.
14.The actress had to made her way through the masses （大量的,众多的）of fans.
没打完,还有这五道.