A new bridge _____on the river.A is building B is being built C been built D are building

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Anewbridge_____ontheriver.AisbuildingBisbeingbuiltCbeenbuiltDarebuildingAnewbridge_____ontheriver.Ai

A new bridge _____on the river.A is building B is being built C been built D are building
A new bridge _____on the river.
A is building B is being built C been built D are building

A new bridge _____on the river.A is building B is being built C been built D are building
B is being built 正在进行时,正在被建