They__________ building the irrigation canal very soon．A.are finishingB.are going

If the building project___________ ？

These magnificent ______ buildings demonstrate the great intelligence of the laboring peop

Eventually, they gave up the project to build a bridge over the river because of the ___

They are building a bridge __________ the river.A. throughB. acrossC. on

People cried in ________ as they watched the building go up in flames.A. determinationB

They will continue______seven days a week until the building is finished.A．to workB．to wor