It's obviously proven a lot more difficult than a lot of us

It's obviously proven a lot more difficult than a lot of us “It gives us a lot of fun” a lot more of for many of us ,the idea of a family is a lot narrow than it a lot of,lot's of 和a lot My life will be ( )better than it is.A .a lot B .a lot of C. my life will be___better than it is now A.a lot of B.a lot C It's obviously more difficult to swim __ the stream than __ It's n_____ for us to eat a lot of vegetables and fruit to k it was nothing more than a list of difficult words It does us a lot of good 什么意思 it brings us a lot of benefits.改为同义句