Question 1 of 15 Score: 0 1. By the time the chief guest arrived, the students _____ the stage decorations. completed. have completed. had been completing. had completed. Correct Answer: had completed. 2. Neither the quality of the products nor the prices _____ satisfactory. was. were. has been. is. Correct Answer: were. 3. She is _____ European scientist who received _____ honour for her discovery. an; a. a; a. ...