Completar las oraciones con el tiempo correcto

• The surgeon [[1]] (wash) his hands now.

• The students  [[2]] (study) anatomy every week.

• The nurse [[3]] (prepare) the instruments at the moment.

• We always [[4]] (wear) gloves in the operating room.

• The anesthetist [[5]] (check) the patient’s oxygen right now.

• The doctor usually [[6]] (start) the operation at 8 a.m.