1.We have concerns about whether the goverment will be able to provide poorer families ___ suitable social services.
2.The test shows the effects of zero gravity on bodies ____ space.
3.Steve was well-known ______ his work with disabled students at a middle school.
4.Even when Jenny was dressed up,she didn't look ____ a fashionable lady.
5.We went ____ a narrow passage and got into a room,and there we stopped.
6.Goods were transported____ water because boats were the only means of transportation at that time.
7.The book is an extremely useful guide____ starting your own business.
8.We are still optimistic ____ whatever the result may be .
要有详细的解释哦!!
对了!!给出答案的同时请翻译一下句子好吗!!万分感谢!