It's more ________ to buy a season ticket if you travel every day.
A、cheapA
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________,Johnhasbeentoseveralforeigncountries.
Ifyouwanttofindadecentlocationforyourownhome,________Mr.Smithforadvice.
Constructionoftherailwayshelpedtodevelopthenational_______ofTanzaniaandZambia.
Thefarmerhadtowearheavybootsinthewinterbecausethefieldsweretoowetand________.
It's more ________ to buy a season ticket if you travel every day.
