根据短文，把下列句子补充完整。
One day , Mrs.Wilson took Tracy and Aben shopping . They went to the supermarket in the new shopping center .
“ Why do you buy things here ?” Tracy wanted to know .
“ Because it is cheaper here than the store on the corner ,” Mrs.Wilson said . “ Help me check the price .”
The Wilsons were not rich , so Mrs.Wilson was always careful with her money . She looked carefully at the prices of things .
She bought a lot of things in the supermarket . When they got home , the children said , “We don’t think you saved any money by going to the supermarket .”
“ Of course , I did ,” Mrs.Wilson said , “ Everything was cheaper there .”
“ We know ,”the children said , “But we came home by taxi because we had too much to carry .The taxi fare was more than the money that you saved !”
Mrs.Wilson added everything up . Her children were right .
“ Well done ,” she said . “ Next time we’ll do our shopping near our home .”
Mrs.Wilson went to the supermarket to _______ things because they are ________ there .
Mrs.Wilson was always _________ with her money because the Wilsons were ________ .
Mrs.Wilson’s ______ helped her check the ________ when they were in the supermarket .
After they did some shopping , Mrs.Wilson and her children went home ______ _______.
The Wilsons couldn’t walk home because it was too _______ away from the supermarket to their home , and they had too __________ things .