Barely ___ the procedure ___ the patient's condition worsened. - - - - - A) the doctor had begun […] than B) had the doctor begun […] when C) did the doctor begin […] than D) the doctor began […] when

Rarely ___ such a high level of performance without dedication. - - - - - A) athletes do reach B) do athletes reach C) athletes reach D) reach the athletes

Only after the company presented the evidence ___ the merger. - - - - - - A) the board did approve B) did the board approve C) the board approved D) approved the board

Scarcely ___ it encountered a technical issue. - - - - - A) the rocket had launched than B) the rocket did launch when C) launched the rocket than D) had the rocket launched when

Hardly ___ his speech ___ the crowd began to cheer. - - - - - A) had the politician finished […] when B) the politician had finished […] than C) finished the politician […] when D) the politician did finish […] than

___ you need any help, don’t hesitate to call me. - - - - - A) Should B) Were C) Had D) Do

Not since the last financial crisis ___ such instability. - - - - - A) we have seen B) we did see C) have we seen D) have seen we

___ they studied harder, they would have passed the exam. - - - - - A) Should B) Were C) Had D) Have

Not till the final minutes of the match ___ the winning goal. - - - - - A) the team scored B) did the team score C) scored the team D) the team did score

___ I you, I would talk to the manager about this issue. - - - - - A) Should B) Were C) Had D) Was

Had AI ___, our lives would be very different. - - - - - A) not been invented B) been not invented C) not invented D) not been invent

Seldom ___ such commitment from his team members before. - - - - - A) he has witnessed B) he witnessed C) has he witnessed D) did he witness