That is ______ we differ.
B
where在本句中引导表语从句。句意：这就是我们的不同之所在。
It’s___(reasonable)toexpectpeopletoworkmorethan60hoursaweek.
Ifyouhavetheright___(equip)，youwon’tfindthejobdifficult.
Theyknewtheyhadto________actiontodealwiththeplaguebeforeitspreadtootherareas.
We______togotothesupermarketbecausewehadplentyoffood.
Justafewyearsago，Tanyawas___(home)andbeggingformoneyinfrontofasupermarketinNewYorkCity.