Some supervisors are reluctant to …. responsibilities because they know they will be held accountable if something goes wrong.A.askB.delegateC.encourageD.share
The building owner generally does not …. tenants to make renovations in their units.A.permitB.commitC.transmitD.submit
A group of environmentalists …. concerns about recent drastic environmental change including temperature increases in Northern Canada and Russia.A.requestedB.leftC.understoodD.addressed
By the time John.... to help, we.... the work.A.comes / finishedB.comes / will have finishedC.will come / will haveD.came / have finished
Mary sometimes.... to turn off the computer before she.... home.A.forgot / had goneB.has forgot / is goingC.is forgetting / has goneD.forgets / goes
They.... good preparations before they.... their final examination yesterday.A.made / had takenB.had made / tookC.have made / takeD.will have made / have taken
He.... a birthday party tomorrow for his daughter who.... three.A.is having / turnsB.will have had / will turnC.is going to have/ has turned D.has had / is going to turn
When Susan.... yesterday, Peter.... dinner. He.... cooking very much and often.... the meals himself.A.phoned / was cooking / likes / preparesB.had phoned / cooked / liked / preparedC.was phoning / was cooking / has liked / is preparingD.has phoned / is cooking / is liking / preparing
They.... to finish their work because they.... Los Angeles next Sunday.A.are needing / visitB.need / are going to visitC.have needed / are visiting D.needed / have visited
Ever since human beings.... the Earth, they.... use of various form of communication.A.have inhabited / have madeB.inhabited / are makingC.had inhabited / had made D.inhabit / make
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