large quantities of food farmland ____ house and apartments in the past twenty yearsA have converted to build B have been converted to building C has converted to build D has been converted to building
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![large quantities of food farmland ____ house and apartments in the past twenty yearsA have converted to build B have been converted to building C has converted to build D has been converted to building](/uploads/image/z/11871011-11-1.jpg?t=large+quantities+of+food+farmland+____+house+and+apartments+in+the+past+twenty+yearsA+have+converted+to+build+B+have+been+converted+to+building+C+has+converted+to+build+D+has+been+converted+to+building)
large quantities of food farmland ____ house and apartments in the past twenty yearsA have converted to build B have been converted to building C has converted to build D has been converted to building
large quantities of food farmland ____ house and apartments in the past twenty years
A have converted to build B have been converted to building C has converted to build
D has been converted to building
large quantities of food farmland ____ house and apartments in the past twenty yearsA have converted to build B have been converted to building C has converted to build D has been converted to building
B
quantities of +名词时,后面的谓语的单复数于quantity一致,quantity是单数 后面谓语动词就用单数
quantity是复数(也就是quantities) 后面谓语动词就用复数
又因为food farmland 是被转变的,所以用被动选B
B