These family doctors, _____ working individually or in teams, offer a
wide range of services to residents in need.请问如何分析句子空白处填whether还是either，或者两个都可以?谢谢！
Business ads on TV, radio and newspaper provide useful and valuable information about a product or service to target audiences, help them to compare qualities of different products and choose the most cost-effective one.请问这句target audiences逗号后无连接词为什么可以直接跟help？
...nternal customers to provide a very
high level of cooperation and customer service after the sale.请问：by having a quality product available, at a
convenient place and at the right cost在句中做什么成分，修饰那一句话？
According to one recent analysis, such services could hire out as many as 2 million cars in 2020, up from roughly 100,000 in 2017.
up from…这部分是状语吗和as many as 2……形成对比？
...ts of the types just mentioned:bills,deliveries,receipts,inventories,loans,marriage contracts,divorce settlements,court judgments,and so on.These records of factual matters were kept in storage to be available for reference—they were,in effect,files,or,to use the term preferred by specialists in t...
...there are children, they most likely need to hire a nanny or use a daycare service, again meaning less family time问：1. too tired for any quality familty 怎么翻译?2. meaning在这里的语法解释，为什么用现在分词？
...stems more stable.2.We must make all natural ecosystems be able to provide services
better.3.We must make all natural ecosystems safeguard national ecological
security.这样划分的理解对吗？可2句中为什么没有be动词以及3句中如何体现“牢”？只说了保护而己。
And what better way to answer skeptics from any group than by certifying the technical skills of graduates from a national service program?怎么感觉这句话不完整，整句话就只是个名词没有谓语和宾语的样子啊？
The hefty price underscores how Wal-Mart is trying to compete more aggressively and effectively for younger and more affluent customers as it has seen its online business growth slow despite big investments in distribution centers and expanding services.请问：句中的as是什么意思？
...定语，修饰谓语就是状语？那The scholar calls for more public services to meet these people's needs in employment.译文：这问学者呼吁，公共服务应该能满足这些人应聘的需求。这里的 to meet these people's needs 是修饰公共服务，还是修饰呼吁...
... help providers to deploy and manage several end-to-end telecommunications services.这个句子中的that引导的是非限制性定语从句嘛？如果是的话，为什么不用which。其次，定语从句中的谓语help不应该用单三形式helps嘛？
Xi envisioned the development and application of AI as greatly enhancing the level of economic and social development and improving public services and urban management.这个句子里的as作什么成分？是什么意思？为什么as后面是接动词的ing形式（enhancing和improving.）？